Answers
Answer:
The addition of a water molecule breaks a covalent bond between sugar monomers
Explanation:
The digestion of carbohydrates by enzymes is an example of a hydrolysis reaction.
Carbohydrates are chains of monosaccharides. Hydrolysis involves the addition of a water molecule that cleaves the covalent bond between the molecules of sugar.
The reverse reaction is a condensation reaction, the joining of sugar monomers to create a carbohydrate releases a molecule of water.
Related Questions
what factor is measured in an experiment?
Answers
Answer:
he is right the dependent variable is what is measured and independent is what cannot be changed and is needed to find the dependent variable.
Explanation:
What is "overfishing"? Catching fish faster than they can replenishCatching fish from the top of the food chainFishing out of seasonCatching more fish than what people eat
Answers
The concept of overfishing is the capture of species of fish at a rate that the species can not replenish, that's resulting in the species decline from the body of water where they are being fished.
Answer: Overfishing occurs when too many fish are caught all at once, depleting the breeding stock beyond its ability to recover.
Write a complete scientific explanation to account for why the heavier ball caused more flour to spread out. Be sure to include the relationship between amount of mass and amount of kinetic energy in your explanation, and include a claim, evidence, and reasoning.
Answers
The heavier ball caused more flour to spread out because it possessed greater kinetic energy due to its greater mass.
What is kinetic energy ?Kinetic energy is proportional to an object's mass and velocity, and since both balls were dropped from the same height, they had the same initial potential energy.
However, the heavier ball had more kinetic energy as it hit the flour, causing it to displace more flour than the lighter ball. This can be observed in everyday situations, such as a heavier object causing more damage than a lighter object when dropped from the same height.
Therefore, the relationship between mass and kinetic energy can explain why the heavier ball caused more flour to spread out.
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Answer:
The heavier ball caused more flour to spread out because it possessed greater kinetic energy due to its greater mass.
Explanation:
The atomic number, of an element, indicates
Answers
Answer:
The symbol for an atom can be written to show its mass number at the top, and its atomic number at the bottom. To calculate the numbers of subatomic particles in an atom, use its atomic number and mass number: number of protons = atomic number. number of electrons = atomic number.
If you observed that the Sun did not set during an entire 24-hour period of time during the summer months of June, July, and August, where are you most likely located?
South Pole
a location in the mid-latitudes
North Pole
near the Equator
Answers
Sun did not set during an entire 24-hour period of time during the summer months of June, July, and August, you are most likely located at the North pole.
The sun does not set above this latitude during the summer because of the Arctic Circle Phenomenon. The Arctic Circle is a fictitious boundary. The Arctic Circle's North Pole experiences extended periods of continuous sunshine, mostly in the months of June, July, and August. The reason for this is that Earth's axis is slanted by 23 degrees, and during the summer months when it rotates, the North Pole aligns with our star. For instance, the farthest reaches of Norway.That is why during the summer months of June, July, and August, the Sun did not set for a full 24 hours.
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A resident needs isolation precautions. Which will meet the person’s basic needs? Visiting the person as little as possible to prevent transmission Saying hello from the doorway Letting them know the scheduled for the activity room that day Getting out of the person’s room as quickly as possible
Answers
The person’s basic needs Visiting the person as little as possible to prevent transmission. Thus, option "A" is correct.
What can you do to help meet the psychosocial needs of a resident in transmission-based?Provide as much mental stimulation as possible by offering activities that the residents enjoy.
The people who are ensuring transmission-based precautions are required to feel mental peace. Mental anxiety, fear of infection, and stress can be some of the reasons for mental disturbances.
For such people, mental stimulation is necessary by allowing them to participate in recreational activities like fun indoor games.
Such activities will divert their mind from all the reasons for mental anxiety and people will feel relaxed.
Thus, option "A" is correct.
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What gases was not present in earths earth atmosphere
Answers
Answer:
Primitive Earth (Before life) contained no or very little Oxygen (element#8)
According to scientific theory:
Earth had no oxygen to begin with. It had a lot of carbon dioxide, though. Somehow (We still do not know how they started growing) single-celled Carbon Dioxide-breathing bacteria slowly, over thousands to millions of years, turned most carbon dioxide into oxygen, supporting new types of life.
:)
Which of the following regarding internal mammary artery is true?
a) supply the heart
b) arise from the subclavian artery
c) arise from the aorta
Answers
Answer:
The correct answer is option b) "arise from the subclavian artery" .
Explanation:
The internal mammary artery, nowadays known as the internal thoracic artery, is one of the most important arteries in the body, since it supplies the anterior chest wall and the breasts with oxygen. The internal mammary artery arise from the subclavian artery, particularly from its proximal part, and it extends up into the musculophrenic and the deep superior epigastric arteries.
A scientist investigates two types of cells in different parts in the human body. Cell a contains many more mitochondria than cell b. What is the best conclusion to make from this observation?
Answers
Answer:
cell is most likely to human being
Explanation:
human must be the same for human being
Adult krill feed on algae found in open water. Their larvae feed on algae
found under the sea ice. More and more sea ice is melting. Will melting sea ice
affect the killer whale? Explain.
Answers
Answer:
Yes
Explanation:
The killer whales eat large fish. The large fish eat smaller fish and shrimp. Lastly, the smaller fish and shrimp eat the algae-eating krill. When the sea ice melts, there is less food for the krill. There is less krill for other fish to eat. Lastly, since there is less krill, there will be less killer whales because there isn't enough food.
Which of these meals would give you most of the nutrients that you need ?
1 .Meat, milk and a piece of chocolate
2 .Bread, vegetables and fish
3 .Vegetables, fruits and water
4 .Meat, fish and bread
Answers
Vegetables and fruits are excellent sources of vitamins, minerals, and dietary fiber, while water is essential for hydration. While the other options may contain certain nutrients, they might not provide as balanced and varied a nutrient profile as the combination of vegetables, fruits, and water.
Vegetables and fruits are rich in vitamins A and C, folate, potassium, and dietary fibers, while water keeps the body hydrated. Additionally, a diet rich in vegetables and fruits has been associated with reduced risk of chronic diseases such as heart disease, diabetes, and cancer.
While meat, milk, chocolate, fish, and bread are also important sources of essential nutrients, they do not provide the same variety and amount of nutrients as a diet rich in vegetables, fruits, and water. Furthermore, foods like meat and milk are high in saturated fat and cholesterol, which can contribute to chronic health problems if consumed in excess.
which RNA molecule carries amino acids
Answers
Answer:
Messenger RNA (mRNA) molecules carry the coding sequences for protein synthesis and are called transcripts; ribosomal RNA (rRNA) molecules form the core of a cell's ribosomes (the structures in which protein synthesis takes place); and transfer RNA (tRNA) molecules carry amino acids to the ribosomes during protein
Explain how genetic information, along with an understanding of the process of descent with modification, enables scientists to reconstruct phylogenies that extend hundreds of millions of years back in time.
Answers
By comparing the DNA sequences of different species, scientists can identify shared ancestry and determine how closely related different species are. This enables them to make predictions about the evolutionary relationships between different species and to reconstruct phylogenies that extend back in time, providing insights into the evolutionary history of life on Earth. Molecular techniques, such as DNA sequencing, are particularly useful for this purpose because DNA is a stable, heritable molecule that is passed from one generation to the next.
the extent to which a test, measurement, or classification system produces the same scientific observation each time it is applied
Answers
The extent to which a test, measurement, or classification system produces the same scientific observation each time it is applied is called reliability.
The consistency with which a method assesses something is known as reliability. The measurement is regarded as accurate if it can consistently get the same result by applying the same techniques under the same conditions. You repeatedly take temperature readings of a liquid sample while maintaining the same settings.
A product, system, or service's reliability is determined by the likelihood that it will run well in a given environment for a predetermined amount of time or perform as intended. In order to assess the overall validity of a scientific experiment and strengthen the conclusions, reliability is a crucial component.
Reliability is a topic of intense and continuous debate among social and physics scientists.
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fad diets often exclude one food group such as most dietary carbohydrates or most dietary fat. which of the following reasons best describe why it’s not a good idea to drastically limit dietary carbohydrates
Answers
Dietary carbohydrate restriction is not a good idea because it can result in decreased energy, nutrient deficiencies, and disruption of the gut microbiome. It can also increase the risk of chronic disease.
What are fad diets frequently based on?A fad diet usually has some or all of the following characteristics: It guarantees a quick fix. Promotes 'magic' foods or food combinations. Food can the ability to alter body chemistry.
What foods do fad diets include?Some promote specific foods, such as cabbage, probiotic foods, or raw foods. Diets that are high in fat, low in carbohydrates, or high in protein may also be included. They eliminate important nutrient sources, such as grains. Alternatively, certain ingredients, such as lectins, are eliminated.
What exactly are fad diets and why are they harmful?When you follow a fad diet, you pay more attention to what you eat. However, the majority of the weight you lose is likely to be water and lean muscle, rather than body fat. It is also difficult to meet the requirements of a strict diet. Fad diets frequently restrict your food options or force you to eat the same foods over and over.
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In an experiment, 6,000 people with a common cold who drank orange juice daily had symptoms that lasted an average of 4 days. Another 6,000 people with a common cold who did not drink orange juice daily had symptoms that lasted an average of 7 days. Scientists repeated the experiment 3 times with the same results. They concluded that orange juice reduces the length of the common cold. Was this conclusion valid, and why?
Answers
Red is dominant over yellow. If a male purebred red nose (RR) is crossed with a female hybrid rose (Rr) what percent of roses will be red? 100% 75% or 25%
Answers
Answer:
100%
Explanation:
since RR is dominant and Rr is hybrid R is still dominant. red will show morethe combinations would be Rr Rr. Rr. Rr.
Which factor distinguishes the experimental group from control group?
Answers
Answer:
The independent value or the independent variable
Submission 3 Capstone Project: How can you make your community more environmentally sustainable? Below are 3 Crosscutting Concepts. Select two and provide an explanation for how your investigation/”research” on energy usage in the home addresses them.
1.Crosscutting Concepts Patterns: Observed patterns in nature guide organization and classification and prompt questions about relationships and causes underlying them. Explanation
2. Cause and Effect: Claim uses empirical evidence to differentiate between cause and correlation, and supports specific cause and effect relationships. Explanation
3.Explanation Stability and Change: Analysis and explanation of geoscience data and global climate models show that a change in one Earth system can result in feedbacks (negative or positive) that can stabilize or destabilize a system. Explanation
Answers
Crosscutting Concept: Patterns
Patterns observed in the natural world facilitate organization and classification, as well as raise inquiries about the underlying relationships and causes.
During my exploration of energy usage in residential settings, I discerned several discernible patterns. For instance, a prominent pattern emerged, indicating that the bulk of energy consumption in homes pertains to heating and cooling, followed by lighting and appliances. Moreover, I discovered that energy usage displays notable variations based on factors such as dwelling size, number of occupants, and climatic conditions.
These identifiable patterns enable us to comprehend the factors influencing energy consumption and identify avenues for conservation. By acknowledging that heating and cooling dominate energy use, we can channel our efforts towards enhancing the efficiency of these systems.
Patterns Cause and Effect?Utilizing empirical evidence, claims can differentiate between causal relationships and mere correlations, thus supporting the establishment of specific cause and effect linkages.
During my investigation into energy usage in residential environments, I employed empirical evidence to unveil distinct cause and effect associations. For instance, I observed a positive correlation between energy consumption and dwelling size. This relationship can be attributed to the increased energy requirements for heating and cooling in larger homes.
Similarly, I discovered that energy consumption rises alongside the number of occupants. This phenomenon arises due to the presence of more individuals utilizing appliances and lighting fixtures.
These cause and effect relationships foster a deeper comprehension of how our choices impact energy consumption. For instance, if we aspire to curtail our energy usage, we can opt for smaller homes or limit the number of occupants.
Crosscutting Concept: Stability and Change
Analysis and explication of geoscience data and global climate models reveal that modifications within one Earth system can yield feedback loops, which can either stabilize or destabilize the system.
Throughout my examination of energy usage in residential settings, I ascertained that alterations in a single energy-consuming appliance or behavior can trigger a chain reaction affecting other appliances and behaviors. Consider replacing inefficient light bulbs with energy-efficient alternatives; this simple change can prompt a behavioral shift to turn off lights when leaving a room, subsequently resulting in a substantial reduction in energy consumption.
These feedback loops empower us to comprehend how our choices can influence the environment. For instance, collectively opting for reduced driving can mitigate air pollution and greenhouse gas emissions.
By comprehending the crosscutting concepts of patterns, cause and effect, and stability and change, we can make informed decisions regarding energy usage. These choices enable us to diminish our environmental footprint and forge a sustainable future.
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curly hair is inherited in an autosomal dominant fashion. attached earlobes are autosomal recessive. a man and a woman who are both heterozygous for both traits marry. answer a and b using: h/h for hair and e/e for ear lobes. a. Assume these traits exist on separate chromosomes and exhibit independent assortment. what is the probability this couple will have a child with straight hair and unattached ear lobes? b. Assume thesetraits are linked on the same autosomal chromosome. the dad alleles are linked: H---e and h---E. The mom's alleles are linked: H---E and h---e. What is the probability this couple will have a child with straight hair and unattached ear lobes assuming no crossover event occurred?
Answers
If these traits exist on separate chromosomes and exhibit independent assortment, the probability that this couple will have a child with straight hair and unattached ear lobes is 1/4. If these traits are linked on the same autosomal chromosome and there is no crossover event, the probability that this couple will have a child with straight hair and unattached earlobes is 1/2.
when traits exist on separate chromosomes and exhibit independent assortment, the probability that this couple will have a child with straight hair and unattached ear lobes is 1/4. This is because each trait has two possible genotypes (H or h for hair, and E or e for earlobes), and there are four possible combinations of these genotypes: HHEE, HhEE, HhEe, and Hhee. Only one of these combinations (HhEe) results in straight hair and unattached earlobes. Therefore, the probability of having a child with these traits is 1/4. when these traits are linked on the same autosomal chromosome and there is no crossover event, the probability that this couple will have a child with straight hair and unattached earlobes is 1/2. This is because each parent has two possible alleles that they can pass on to their child: H---e and h---E for the father, and H---E and h---e for the mother. When these alleles are combined, there are four possible combinations: H---E, h---E, H---e, and h---e. Only two of these combinations (H---e and h---E) result in straight hair and unattached earlobes. Therefore, the probability of having a child with these traits is 1/2.
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i need help on number 3 I’ll give you brainliest
Answers
The sentence from the paragraph that supports that the green roofs can help reduce cooling costs is as follows: plants naturally absorb energy from the Sun and convert it into chemical energy that is stored in the bonds of sugars during photosynthesis (option B).
What is the idea of the paragraph?The paragraph in this question is conveying information about green roof which is made by adding soil and plants to a specifically designed roof.
According to the passage, scientists has shown that the green roof is more advantageous than the conventional roofs.
One benefit outlined is that plants in the green roof can naturally absorb energy from the Sun and convert it into chemical energy that is stored in the bonds of sugars during photosynthesis. This is a way cooling costs can be covered.
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Cross a heterozygous parent with a homozygous dominant parent. What is the genotypic ratio? What is the phenotypic ratio?
Answers
Answer: genotype, 2:1, phenotype, 9:3:3:1
Explanation:
For each of the pedigrees below (same as in 5a) what is the most likely inheritance pattern (Autosomal Dominant, Autosomal Recessive, X-linked Dominant or X-Linked Recessive) and why? What genotype for the listed individuals? Please use the letter R to represent the alleles and X-Linked should be in the
XR or X r format
Answers
Jaden is a student in biology. He was talking with his classmates about how many hours of sleep they get each night. Students shared what they do right before they go to sleep:
- Some students used their phones.
- Some students listened to classical music.
- Some counted sheep.
Help Jaden come up with a testable investigative question related to ONE of these factors.
Remember a testable question or problem includes an independent and dependent variable.
Question 1 options:
Answers
Answer:
Questions need to have independent variable and dependent variable.
independent variable in this case would be :
phone usage
classical music
counting sheep
dependent variable in this case would be :
hours of sleep
So ask questions like
Will phone usage decrease the hours of sleep students get each night?
Will listening to classical music increase the hours of sleep students get each night?
Will counting sheep increase the hours of sleep students get each night?
How does the use of phones before bedtime (independent variable) affect the quality of sleep (dependent variable) among students? Optional 1
What is a testable question?The independent variable is the factor that the researcher manipulates or controls. In this case, it is the use of phones before bedtime. Jaden will have different groups of participants: one group that uses their phones before bedtime and another group that does not use their phones before bedtime.
The dependent variable is the factor that the researcher measures and observes to see how it is influenced by the independent variable. In this case, it is the quality of sleep. Jaden will measure the quality of sleep of each participant in both groups to see if there are any differences between the two groups.
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7.
Which of the following animals belongs to the same group as the animal
shown here?
(A) Whale
(B) Salmon
(C) Penguin
(D) Salamander
Picture is a bat
Answers
Whales.is the answer. They're both mammals.
Salmon is a fish, pinguin is a bird and salamander is a amphibian.
help biology i will give you brainiest
Answers
1. Sun's energy enters Earth's atmosphere
2. Some energy bounces back into space and some stays to keep Earth warm
3. The extra carbon dioxide traps more heat and Earth's temperature
4. More carbon dioxide is added to the atmosphere by human activity
hope this is right!
The backbones of DNA and RNA are
A) made of alternating sugars and phosphate groups.
B) very different, made of nucleotides in DNA and amino acids in RNA.
C) identical.
D) made of a chain of base pairs.
Answers
The backbones of DNA and RNA are made of alternating sugars and phosphate groups. So the correct option is A.
How are nucleic acids formed?Nucleic acids are macromolecules that will be formed by a column of phosphates and sugars, this will give support to the molecules. This type of union is quite stable since they are difficult to break and not any enzyme can break it. Nucleotides are made up of nitrogenous bases, a sugar, and a phosphate group. The phosphate will be a high energy bond.
Nucleic acids will carry information that will be hereditary and they will have the information to be able to produce proteins. These macromolecules will be stored mainly in the nucleus of the cell.
Therefore, we can confirm that the correct option is A. made of alternating sugars and phosphate groups.
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Does epinephrine trigger a direct or indirect signal transduction pathway? How do you know?
Answers
Epinephrine triggers a direct signal transduction pathway.
I know this because when epinephrine binds to it's receptor example on a muscle cell,this is known as a type of G protein -coupled receptor,signal transduction cascade is triggered and this involves the production of a second messenger molecule cyclic AMP(cAMP).
Epinephrine also know as Adrenaline or sus-phrine.
It is a vasoconstrictor,broncho dilator and a sympathetic stimulant.
It constricts the peripheral abdominal organs as well as a stimulating the heart beat thereby raising the blood pressure,it also relaxes the spasms of the bronchial muscles thereby promoting ventilation of the lungs.
18. Hormonal control is.................. c. is always not optional d. is always reflex a. may be optional or not optional b. always optional
Answers
b. always optional
Hormonal control involves the release of hormones by various endocrine glands in response to specific signals and stimuli. These hormones travel through the bloodstream and bind to specific receptors on target cells, influencing their activity and regulating various physiological processes.
How might the production of antibiotics and odors have evolved?
Answers
Answer:
Explanation:
The production of antibiotics and odours may have evolved as a result of natural selection. Bacteria and other microorganisms have to compete with each other for resources, and the production of antibiotics and odours may be a way for them to gain an advantage over their competitors. For example, some bacteria produce antibiotics that kill other bacteria in their vicinity, thus reducing competition for resources. Similarly, some bacteria produce odours that attract pollinators or other organisms that may help them in some way. Over time, the ability to produce these chemicals may have become more prevalent in certain populations, as those that could produce them had an advantage in the competition for resources.
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