Which of the following is not true for enzymes?
a. Enzymes lower the activation energy barrier of a reaction.
b. Enzymes are made up of proteins.
c. Enzymes are used up in reactions.
d. Enzymes can be affected by changes in temperature.
e. Enzymes contain an active site.
Answers
Enzymes are used up in reactions. This is not true for enzymes.
Enzymes are proteins that aid in the speeding up of metabolism, or the chemical reactions that occur in our bodies. Some substances are created while others are destroyed. Enzymes are found in all living things. Our bodies naturally produce enzymes.
According to the International Union of Biochemists (IUB), enzymes are classified into six functional classes based on the type of reaction they catalyze. Hydrolases, oxidoreductases, lyases, transferases, ligases, and isomerases are the six types of enzymes.
Enzymes are proteins that aid in the speeding up of metabolism, or the chemical reactions that occur in our bodies. Some substances are created while others are destroyed. Enzymes are found in all living things. Our bodies naturally produce enzymes.
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Related Questions
explation of a first quarter moon
Answers
Rename 1/4 and 1/8 using the least common denominator
Answers
Answer:
8 is the lowest common denominator
2/8 and 1/8
Explanation:
Present one example of a human activity that threatens
ecosystems and biodiversity.
Answers
Answer:
One example is overpopulation. Meaning the more people there are in a place, the more room there needs to be. This then leads to deforestation, destroying animals habitats forcing them to leave. The more animals that leave, the less animal diversity there is.
An astronaut is planning a trip to a newly-discovered planet according to the law of universal gravitation, the astronaut weight in the new planet will be greater than his weight on earth if:
Answers
The new planet has more mass than Earth but the same radius. The mass of the astronaut will be calculated by the use of Newton's gravitational equation. The weight of the astronaut depends completely on its mass and the gravitational acceleration of the planet.
Gravitational acceleration is directly proportional to the mass of the planet and indirectly proportional to the radius of the planet. Hence, when the gravitational acceleration increases the planet's mass will increase therefore the radius will decrease. The astronaut's mass will depend on these factors.
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Why was the evolution of cyanobacteria such a significant event in Earth's history
Answers
Explanation:
oxygen, a byproduct of that photosynthesis, was released into the atmosphere, changing it in such a way that it may have allowed the evolution of more complex forms of life.
Answer:
Cyanobacteria are blue-green algae that produce chlorophyll and undergo photosynthesis. Oxygen, a byproduct of that photosynthesis, was released into the atmosphere, changing it in such a way that it may have allowed the evolution of more complex forms of life.
Explanation:
Right on ED2021 practice, goodluck!
What does Letter "A" represent in the water cycle? *
HELP ASAP
Answers
Answer:
Air, Atmosphere?
Explanation:
B
What is the
probability of
heteorzygous
offspring for these
two parents?
B. 75%
D. 0%
Answers
Answer:
There is a 75% probability that an offspring will have the dominant trait and a 25% probability that an offspring will have a recessive trait.
Explanation:
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what is the point of biology if she dont rlly teach anything
Answers
Using Mendel's pea plants, a pentahybrid testcross was made between WwPpFfGgLl and wwppffggll. Traits: Seed shape (W=round, w=wrinkled), Flower colour (P=purple, p=white), Pod shape (F=full, f=constricted), Pod colour (G=green, g=yellow) and Stem length (L=long, l=short). What proportion of the progeny would you expect to be short-stemmed plants with white flowers with constricted yellow pods containing wrinkled seeds?
Answers
The fork line method is used to get gametes and the proportions of individuals among the offspring with certain genotypes or phenotypes. In the exposed example, 1/32 individuals are expected to be wwppffggll.
What is the fork line method?The fork line method is used to get the probabilities of getting different gametes from a parental cell.
This method is used when more than two genes are involved in the cross since it is easier to get all different gametes considering all allele combinations.
Pentahybrid Testcross
Cross: WwPpFfGgLl x wwppffggll
from this crosss, we need to get the proportion of individuals with recessive alleles for all traits. This is, wpfgl.
From the fork line method, we know that
The proportion of gametes carrying recessive alleles from the pentahybrid parental is 1/32 wpfgl. The proportion of gametes carrying recessive alleles from the testing parental is 32/32 wpfgl.1/32 wpfgl x 32/32 wpfgl = 32/1024 wwppffggll = 1/32 wwppffggll
The proportion of the progeny we would expect to be short-stemmed plants with white flowers with constricted yellow pods containing wrinkled seeds is 1/32 wwppffggll.
You will find the fork-line diagram in the attached files.
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In your opinion, what disease still needs an effective vaccine?
Why hasn't a vaccine been developed yet? Please consider the
biological, environmental, and financial factors
Answers
In my opinion, a disease that still needs an effective vaccine is malaria. A vaccine for malaria has been a longstanding challenge due to various biological, environmental, and financial factors.
Malaria, caused by Plasmodium parasites transmitted through mosquito bites, poses unique challenges for vaccine development. The complex life cycle of the parasite and its ability to evade the immune system make it difficult to identify effective vaccine targets. Additionally, the genetic diversity of the parasite across different regions adds complexity to vaccine design.
Environmental factors, such as the prevalence of malaria in resource-limited countries with inadequate healthcare infrastructure, pose challenges for conducting large-scale clinical trials and vaccine distribution. Malaria primarily affects populations in low-income countries, making it difficult to allocate sufficient funds and resources for vaccine research and development.
Financial factors play a crucial role in vaccine development. The high costs associated with research, preclinical testing, clinical trials, and regulatory processes often deter pharmaceutical companies from investing in malaria vaccine development, as the potential return on investment may be limited.
Addressing these challenges requires sustained research efforts, collaborations between public and private sectors, and increased funding for malaria vaccine development. Overcoming these hurdles is crucial to developing an effective vaccine that can significantly reduce the burden of malaria worldwide.
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Q1. what light-dependent reactions of photosynthesis occur here?
Q2. what light-independent reactions of photosynthesis occur here?
Answers
Answer:
The light-dependent reactions of photosynthesis take place within the thylakoids. These reactions occur when the pigment chlorophyll, located within the thylakoid membranes, captures energy from the sun (photons) to initiate the breakdown of water molecules.The light-independent reactions of photosynthesis take place within the stroma. It contains enzymes that work with ATP and NADPH to “fix” carbon from carbon dioxide into molecules that can be used to build glucose. The chloroplast's own genetic material (separate from that of the cell) is also stored in the stroma.Which of the following is an example of quantitative data?
A. The flowers are red, the trees are green, the rabbits have grey fur.
B. There are 3 flowers, 8 trees, and 16 rabbits.
C. The flowers are prettier than the trees; the rabbits eat grasses and sedges.
D. The flowers smell nice, the trees provide shade, the rabbits have big ears.
Answers
Answer:
B. There are 3 flowers, 8 trees, and 16 rabbits.
Explanation:
Quantitative data is data that has to do with amounts of something. A, C, and D do not have anything to do with quantities but B does as it describes the amount of flowers, trees, and rabbits. Therefore, B is the correct answer.
Which of the following statements about marriage prohibitions in the United States is correct? Consanguineous unions (fist-cousin marriage) show an increase of more than 8 percent in predicted birth defects of offspring Cousin prohibitions in marriage were enacted by law in the United States long before genetic research began. Inbreeding was considered a sign of family viability and success in the United States in the early 1900s. There is a lower risk of birth defects in offspring from women who are older than 50 years than in first-cousin marriages.
Answers
The correct statement regarding marriage prohibitions in the United States is that consanguineous unions (fist-cousin marriage) show an increase of more than 8 percent in predicted birth defects of offspring.
According to genetic research, marriages between cousins are associated with an increase of more than 8 percent in predicted birth defects of offspring. Many states in the United States have banned first-cousin marriage due to the high probability of birth defects, such as Alabama, California, Florida, and so on. While it is legal in a few states, it is only permitted under specific conditions, such as medical counseling. Consequently, consanguineous marriages are discouraged in the United States because of the increased risk of genetic anomalies.
The state of being related by blood is known as consanguinity, and the terms consanguineous relationships or unions are used to describe relationships between relatives who are related by blood.
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what is the process through which organisms create more organisms that can be genetically identical or genetically different.
Answers
Answer: sexual reproduction or reproduction
Explanation: an organism combines the genetic information from each of its parents and is genetically unique.
15 POINTS!!
which correctly describes the projected growth of the world's population in the future
A. The rate of growth will remain the same
B. The rate of growth will slow down by 2100
C. It will not grow much higher than its is now
D. The population will eventually begin declining
Answers
It had been reported by the UN that the population will continue to grow worldwide, and come to a halt by 2100.
Answer:
B. The rate of growth will slow down by 2100
Explanation:
The human population has been increasing, and soon will reach a peak and then slow down which is estimated to be by 2100
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Professor Marcus has identified a new species of beetle in the Amazon Rainforest. The professor then investigates the process of gene expression in the cells of the beetle. Which is an expected result of the investigation?
A The processes of transcription and translation are unique in the beetle.
B The process of translation in the beetle is similar to other organisms, but involves a unique genetic code.
C The process of transcription in the beetle is similar to other organisms, but involves a unique set of nucleic acids in mRNA.
D The processes of transcription and translation, including the genetic code, are the same in the beetle as in nearly all other organisms.
Answers
Answer:
D The processes of transcription and translation, including the genetic code, are the same in the beetle as in nearly all other organisms.
Explanation:
Transcription is the cellular process where a specific DNA fragment called 'gene' is used as a template to create a complementary RNA molecule, usually a messenger RNA (mRNA). Subsequently, this mRNA is then used to synthesize a polypeptide chain (i.e., a protein) in the ribosomes. In eukaryotic organisms such as, in this case, beetles, both transcription and translation are essentially the same processes, and the genetic code used in the protein synthesis is also the same. The difference between beetles is the variation among DNA nucleotide sequences (genomes) which are used as templates to synthesize mRNAs, thereby their final products (proteins) are also different.
Where do most living things get the good they need for life
Answers
Answer:
The sun, oxygen, and water.
Explanation:
Select which statements are a part of natural selection.1. organisms better adapted to their environment tend to survive2. organisms better adapted to their environment tend to reproduce and increase in number3. organisms pass on their traits to succeeding generations.4. over time, favorable traits become more common in a population
Answers
All four of the given statements are true as a result of these postulates.
1. Adaptable organisms are more likely to survive in their environment.
2. Organisms with better environmental adaptations are more likely to reproduce and proliferate.
3. Characteristics of an organism are passed on to subsequent generations.
4. In a population, advantageous features gradually spread.
Darwin introduced the notion of natural selection. The following postulates were provided by Darwin in his theory of natural selection:
1. Different individuals within a species exist.
2. This variation has some heritable components.
3. Individuals with the most advantageous mutations typically have better survival rates and more progeny.
4. People have a propensity to reproduce and have more children than the environment can sustain.
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The motor portion of the autonomic nervous system conducts signals to {{c1::cardiac muscle, smooth muscle, and glands}}
Answers
The motor portion of the autonomic nervous system conducts signals to cardiac muscle, smooth muscle, and glands.
The autonomic nervous system is divided into two branches: the sympathetic and parasympathetic nervous systems. Both branches have motor neurons that synapse with effectors (cardiac muscle, smooth muscle, and glands) to produce a response.
The sympathetic nervous system typically activates the "fight or flight" response, while the parasympathetic nervous system typically activates the "rest and digest" response.
The balance between these two systems is important for maintaining homeostasis in the body.
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3. There are two structures that are characteristics of all viruses: nucleic
acid and a capsid. What is the function of the nucleic acid?
A. The nucleic acid contains the genetic information the virus needs
to bind with a host cell.
B. The nucleic acid gives the virus the shape it needs to invade a host
cell.
C. The nucleic acid contains the genetic information that the virus
needs to reproduce itself.
D. The nucleic acid contains the genetic information the virus needs
to avoid detection.
Answers
Answering: I believe d
Explanation:
The nucleic acid encodes the genetic information unique for each virus, each virus has its own unique info.
The correct statement is that the nucleic acid contains the genetic information the virus needs to avoid detection.
What is the nucleic acid?They are macromolecules or biological polymers present in the cells of living beings that are carriers of cellular information.
Viruses have a protein capsid and some have an envelope, these consist of a single nucleic acid (RNA or DNA) that encodes the viral genome.
Therefore, we can conclude that the correct statement is that the nucleic acid contains the genetic information the virus needs to avoid detection.
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if t takes P-wave five minutes to travel from the epicenter of an earthquake to seismic station, approximately how long will it take for a S-wave to travel the same distance?
Answers
An S-wave would therefore need to travel the same distance from the epicenter to the seismic station in about 8.33 minutes.
S-waves move at a speed that is typically between 60% and 70% that of P-waves. For this computation, a cautious estimate of 60% is used.
We can calculate the time it would take for an S-wave to traverse the same distance if P-waves take five minutes to reach the seismic station by dividing the P-wave time by 0.6:
Time for S-wave equals Time for P-wave / 0.6, or 5 minutes divided by 0.6 results in 8.33 minutes.
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Populations of blue-winged warblers, a type of bird, migrate south in the winter and return to Canadian breeding grounds in the spring. As global temperatures have increased due to climate change, spring has started arriving in the warbler's breeding grounds earlier in the year, before the warblers return. Warblers now arrive at their breeding grounds too late to select ideal nesting sites and to feed on important early-spring food sources.
How are populations of blue-winged warblers most likely to be affected by the earlier arrival of spring?
A.
Populations will go extinct since the warblers will stop migrating to breeding grounds.
B.
Populations will be unaffected since most species can quickly adapt to effects of climate change.
C.
Populations will increase since warmer temperatures are generally beneficial to survival.
D.
Populations will decline since individuals will be less likely to successfully reproduce.
Answers
The population of blue winged warblers most likely to be affected by Populations will be unaffected since most species can quickly adapt to effects of climate change.
What is warblers effect?Warbler is at heart a vibrato effect, with additional controls that allow chorus/flange/delay type effects, as well as quite unusual hybrid sounds that aren't easily categorised.
The vibrato depth ranges from subtle modulations to extreme pitch effects. The vibrato LFO (low frequency oscillator) can be set from 0Hz to 5kHz and is controlled by 3 knobs to allow accurate control over the whole range.
The vibrato LFO shape can be selected from a variety of options and smoothly changed between them.
A 'bias' control is provided to change the effect from simple vibrato to something more like a traditional chorus or flange. Feedback can also be applied to give deeper, more resonant flanges or to produce echo effects.
Therefore, The population of blue winged warblers most likely to be affected by Populations will be unaffected since most species can quickly adapt to effects of climate change.
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what do cells and heredity have in common?
Answers
which of the following fire-management methods reduces outbreaks of pests and diseases?A. preventing firesB. suppressing a fire altogether C. suppressing a fire at earl
Answers
Controlled burning is an ordinary practice used to acchieve different goals. Controlled burning is a fire-management methods that reduces outbreaks of pests and diseases. Option D is correct.
When talking about controlled burning, we are referring to the use of fire in an ecosystem by an expert team. Controlled fires must be done under specific meteorological conditions. These include temperature range and humidity, among others, to avoid fire expansion.
The expert team must control the fire dimensions and guide it to an end point, which might be a water flow, rocks, a road, among others.
Some ecosystems depend on natural fires to remain stable. When the practice of controlled fire is well-done, it helps to restore these ecosystems' health and to avoid future damages. Controlled fire practice has several land management goals.
Ecosystem health restorationNutrient recycleInvasive species controlPestes / Plagues controlSpace for new native vegetationFlammable fuels reductionIncidental uncontrolled fires reductionAmong these goals, one of the followed goals is to control the outbreaks of pests and diseases.
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Full Question ;
which of the following fire-management methods reduces outbreaks of pests and diseases?
A. preventing fires
B. suppressing a fire altogether
C. suppressing a fire at early stages
D. controlled burning
What are some real-life examples of when you want to keep heat energy from being lost to the environment?
PLEASE HURRY IT'S DUE TODAY
Answers
Answer:
the real life example is our body heat when we weat coats or jackets in winters
Gametes from two plant species combine and produce a haploid zygote, and that zygote develops int haploid, hybrid plant that is sterile. Why is the hybrid plant sterile? Select all that apply. Select one or more: a. Meiosis cannot occur. b. The plant cannot grow. O c. The cells do not contain homologous chromosomes. d. The gametes produced cannot combine with the gametes of other plants. e. Mitosis cannot occur. Body characteristics affect the likelihood of fossilization. Which statement(s) about body characteristics is (are) true? Select all that apply. Select one or more: a. If an organism has a soft body, it is more likely to form a fossil because minerals can penetrate it more easily. b. A hard shell is not crushed easily and does not decompose quickly. c. If an organism has a soft body, it is less likely to be fossilized. Competition is central to the theory of natural selection. Why does competition occur? Select one: O a. Organisms are naturally antagonistic (hostile). O b. Females must choose among possible mates. c. Males must defend their territories. O d. Organisms typically produce too many offspring, and resources are limited.
Answers
Gametes from two plant species combine and produce a haploid zygote, and that zygote develops into a haploid, hybrid plant that is sterile. The hybrid plant is sterile because meiosis cannot occur and the cells do not contain homologous chromosomes. Hence, the correct options are a and c. If an organism has a soft body, it is less likely to be fossilized because the body breaks down before it can be preserved. Competition occurs because organisms typically produce too many offspring, and resources are limited. This means that not all of the offspring will be able to survive and reproduce. As a result, the offspring must compete for resources such as food, water, and mates. Hence, option d is the correct answer.
Gametes from two plant species combine and produce a haploid zygote, and that zygote develops into a haploid, hybrid plant that is sterile. The hybrid plant is sterile because meiosis cannot occur and the cells do not contain homologous chromosomes. Hence, the correct options are a and c.
Mitosis and the plant's ability to grow is not affected by sterility. Sterility, on the other hand, means that the plant cannot produce any reproductive cells (like gametes), making it unable to reproduce. Therefore, option b and option d are incorrect. Additionally, the hybrid plant's sterility is caused by an odd number of chromosomes, which results in the improper separation of chromosomes during meiosis.
Body characteristics affect the likelihood of fossilization. A hard shell is not easily crushed and decomposes slowly, which allows for better fossilization of the organism. As a result, option b is correct and options a and c are incorrect. If an organism has a hard shell, it is more likely to form a fossil.
If an organism has a soft body, it is less likely to be fossilized because the body breaks down before it can be preserved. Competition occurs because organisms typically produce too many offspring, and resources are limited. This means that not all of the offspring will be able to survive and reproduce. As a result, the offspring must compete for resources such as food, water, and mates. Hence, option d is the correct answer.
Females choosing among possible mates or males defending their territories are examples of intraspecific competition, which is a type of competition that occurs within a species. However, the question is asking why competition occurs in general, and the answer is that resources are limited and organisms produce too many offspring. Therefore, options a, b, and c are incorrect.
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Write scientific research on energy efficiency in microgrid
without any plagiarism at least 7 page.
Answers
IntroductionThe term microgrid is referred to as a small-scale energy system that can operate independently and is connected to the utility grid. Microgrids consist of local electricity sources like renewable sources, generators, and energy storage devices. In this scientific research, we will be discussing the concept of energy efficiency in microgrid and how it can contribute to the betterment of the environment and society.
Literature Review The concept of microgrid is gaining popularity because of the multiple benefits it offers. Microgrid is designed in a way to maximize the use of renewable energy sources like solar, wind, and hydro. These renewable sources of energy are vital for the environment because they do not emit harmful gases that can contribute to global warming. Microgrid and Energy Efficiency Energy efficiency is one of the critical objectives of microgrid. Energy efficiency can be defined as the reduction of energy consumption to provide the same level of service. Microgrid system works on the concept of providing the necessary electricity services with minimum energy consumption. Microgrids are designed with smart grids, which can monitor and control the energy consumption of the system. Smart grids can provide real-time data about the energy consumption of a system, which can be used to optimize the energy usage.
The optimization of energy usage can help in achieving energy efficiency, which is a crucial objective of microgrid.Renewable Energy SourcesThe renewable energy sources used in microgrid are solar, wind, and hydro. The use of renewable energy sources is a vital aspect of microgrid because it is environment friendly and sustainable. The use of renewable energy sources in microgrid can lead to a reduction in greenhouse gases and improve air quality. The reduction of greenhouse gases and improvement in air quality can contribute to a better and sustainable environment for the future.Battery Storage DevicesThe battery storage devices are another essential component of microgrid. The battery storage devices are used to store excess energy produced by the renewable sources. The stored energy can be used during periods of low production of renewable energy.
The use of battery storage devices in microgrid can lead to a reduction in energy waste and improve the energy efficiency of the system. The improvement in energy efficiency can contribute to the betterment of the environment and society.ConclusionIn conclusion, the concept of microgrid is gaining popularity because of the multiple benefits it offers. Microgrid is designed to maximize the use of renewable energy sources, which are environment friendly and sustainable. Energy efficiency is one of the critical objectives of microgrid, which can be achieved by the optimization of energy usage. The optimization of energy usage can be achieved by the use of smart grids, renewable energy sources, and battery storage devices. The improvement in energy efficiency can contribute to the betterment of the environment and society.
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Which substance is associated with immunosuppression in shock? A. Glycogen B. Cortisol C. Renin D. Antidiuretic hormone.
Answers
D. Antidiuretic hormone.
Cortisol is a substance is associated with immunosuppression in shock. Option (B) is correct.
Cortisol is a hormone produced by the adrenal glands in response to stress. During shock, the body undergoes a significant stress response,
leading to the release of cortisol. Cortisol plays a crucial role in regulating the immune system. However, in high levels, it can have immunosuppressive effects.
During shock, cortisol levels rise as part of the body's stress response. High levels of cortisol can suppress the immune system, inhibiting immune cell function and reducing the body's ability to mount an effective immune response. This immunosuppression can leave the individual more susceptible to infections and impair the body's ability to fight against pathogens.
It's important to note that while cortisol has important regulatory functions in the body, excessive or prolonged elevation due to conditions like shock can have negative effects on the immune system.
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______ have adaptations for living in the intertidal zone that include waxy leaves that reduce water loss, the ability to excrete excess salt through glands on their leaves, and root systems that extend above the water.
Answers
Mangroves have adaptations for living in the intertidal zone that include waxy leaves that reduce water loss, the ability to excrete excess salt through glands on their leaves, and root systems that extend above the water.
What are mangroves?A mangrove is a species of woody tree or plant that grows along protected coasts in the tropics or subtropics. In reality, the many species of mangroves aren't specifically related to one another, although they do have the same remarkable capacity to grow in salty soil inside the reach of the waves.
People value mangroves since they help prevent erosion and sustain the coastal ecosystem. By avoiding erosion and cushioning storm surge impacts during major weather events such as hurricanes, mangroves offer natural protection and infrastructure to nearby human areas.
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describe two ways experimental design can be used in medicine and healthcare
Answers
Answer:
Experimental or interventional studies compare the effect of treatments or interventions with control in humans. Placebo or different treatment(s) or intervention(s) may be used as control. Experimental studies have to be transparent and evidence-based. Two examples include clinical studies as well as observational drug studies.