Answers
Answer:
B
Explanation:
Less activation energy means the reaction will easily occur.
Related Questions
A population of 20 bobcats was introduced to a barrier island to help control the large rodent population. The bobcat population's birth rate is 0.48 bobcats/year per capita, and the death rate is 0.21 bobcats/year per capita. Given the initial bobcat population, predict the population size after 2 years in the island. (Round to the nearest whole number)
Answers
Rounding to the nearest whole number, the predicted population size after 2 years on the island would be 1.
To predict the population size of bobcats after 2 years on the island, we can use the following formula:
Population after n years = Initial population × (Birth rate - Death rate)^n
Given that the initial bobcat population is 20, the birth rate is 0.48 bobcats/year per capita, and the death rate is 0.21 bobcats/year per capita, we can substitute these values into the formula.
Population after 2 years = 20 × (0.48 - 0.21)^2
Population after 2 years = 20 × 0.27^2
Population after 2 years ≈ 20 × 0.0729
Population after 2 years ≈ 1.458
Rounding to the nearest whole number, the predicted population size after 2 years on the island would be 1.
Please note that this calculation assumes a constant birth rate and death rate over the two-year period and does not consider other factors such as migration or environmental changes that could affect the population dynamics.
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One scientist is studying population. and another is studying an ecosystem. What types of things do you think they are looking for in each?
Answers
A population scientist may examine variables including the rate of population growth, birth and death rates, migration trends, and variables impacting population shifts like war, natural catastrophes, and disease outbreaks. They might also be researching a population's demographics, like its age distribution and gender ratios.
When examining an ecosystem, a scientist may focus on the relationships between various species and how they interact with one another and their surroundings. They might also be looking at how human activities, like pollution and deforestation, affect the ecosystem and the species that reside there, as well as the effects on both. Additionally, they might be researching the ecosystem's general health, including its food webs, nutrient cycles, and energy flow.
What is an ecosystem?An ecosystem is a group of living and non-living entities that coexist in one place and interact with one another. In addition to soil, air, water, and animals, it also contains bacteria and living things found in the physical environment. Together, these elements help to keep the ecosystem in balance and support life. Although the interactions between ecosystem elements can be intricate, they are all vital to preserving the ecosystem's stability and health. Ecosystems can be impacted by human activity, and modifications to one aspect of an ecosystem can have an impact on the entire system. Ecosystems include both biotic, or life, and abiotic, or nonliving, components. Plants, animals, and other species are biotic factors.
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I WILL DUB THEE BRAINLIEST!! 50 points! Which of the following statements BEST describes the importance of carbon in the cell? Select one: a. Carbon is waste inside the cell and must be removed from cells. b. Carbon is used by the cell to balance salt concentrations inside the cell. c. Carbon provides structure and affects the function of a cell. d. Carbon maintains the proper temperature inside a cell. Love you guys! Hope you are all staying safe and well
Answers
Answer:
C.
Explanation:
I would say that answer choice C is the best out of this selection. Carbon is the main element in organic compounds, and organic compounds just so happen to make up the cells that carry out life processes for all living things. Hope this helps.
When Carbon is combined with other molecules like oxygen, hydrogen, Carbon forms essential compounds for the maintenance of life, including sugars, alcohols, fats, aromatic esters, carotenoids etc. In fact the carbon composes the cell itself since it forms the basic structures of the cell membrane: Cholesterol, Phospholipids, Carbohydrates.
Hope this helps! :)
Answer: c
Explanation:
i took the test and passed
three adaptation of mouse?
Answers
Answer:
Mice sense their environment much in the same way as other mammal species. The house mouse has very good vision and hearing. They are equipped with large, cup shaped ears to help sense sound vibrations. They also have a good sense of smell and whiskers which they use to feel surface textures and air movements.Food poisoning is caused by eating contaminated foods. How Can it be prevented?
Answers
Answer:
By putting the food in a safe container
2. Different forms of the same gene are referred to as
Answers
Answer:
alleles
Explanation:
PLEASEE ANSWER FASTTT
A mutation occurs that deletes five nucleotides close to the beginning of a gene. When mRNA is synthesized from the mutated gene, the mRNA is missing the five nucleotides.
What effect will this mutation likely have on proteins made using the mutated mRNA?
Answer options with 4 options
A.
The protein will still function properly although it will be missing one amino acid.
B.
The ribosome will correct the error in the mRNA and synthesize the protein correctly.
C.
The mutated mRNA will not leave the cell nucleus, so it will not be used to synthesize proteins.
D.
The amino acid sequence in the protein will be incorrect, and the protein will not function properly.
Answers
The correct statement is D. The protein's amino acid sequence will be off, preventing it from functioning correctly. The sequence of nucleotides in mRNA dictates the sequence of amino acids in the resultant protein throughout the process of protein synthesis.
During translation, each codon (a group of three nucleotides) in the mRNA codes for a particular amino acid.
In the described instance, a mutation resulted in the deletion of five nucleotides from the gene's beginning. The mRNA produced from this altered gene will thus be deficient in those five nucleotides.
A frameshift mutation results from this loss, which modifies the mRNA's reading frame.
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in ecosystems, the flow of ______________ is one-way, while _________________ are constantly cycled.
Answers
Simple and compound glands can be further classified according to the shapes of their secretory portion. Glands that consist of epithelial-lined tubes are called ________ glands. Those whose terminal portions form saclike dilation are called ________ glands. May branch or coil
Tubular glands; alveolar glands
Merocrine Gland
Apocrine Gland
Answers
Simple and compound glands can be further classified according to the shapes of their secretory portion. Glands that consist of epithelial-lined tubes are called Tubular glands. Those whose terminal portions form saclike dilation are called alveolar glands. May branch or coil.
Glands that consist of epithelial-lined tubes are called tubular glands, while those whose terminal portions form saclike dilation are called alveolar glands. Tubular glands have a structure resembling a tube, with a uniform diameter throughout their length. They can be straight or coiled, and their secretory portion is composed of these epithelial-lined tubes.
On the other hand, alveolar glands have a structure where the terminal portions form saclike dilations or rounded sacs. These sacs may branch or coil, giving them a more complex and irregular shape compared to tubular glands. The secretory cells of alveolar glands surround the central space or lumen of the sacs, and they release their secretions into these sac-like structures.
The terms "merocrine gland" and "apocrine gland" mentioned in the options refer to different mechanisms of secretion and are not directly related to the shapes of the secretory portions.
Therefore, the correct answer is "Tubular glands; alveolar glands" as it accurately describes the classification of glands based on the shapes of their secretory portions.
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make a claim about whether air is matter
Answers
Answer:
Air is matter because it's make up of a mix of different gases. These are made up of elements such as hydrogen, oxygen, and nitrogen, which are made of matter.
Explanation:
is there a word count requirement?
Answer:
Air is matter because it takes up space and has mass.
A way to prove this is by inflating a balloon. Before inflating, the balloon was empty and shapeless. When the balloon was filled with air you know it filled with something. That would be matter.
provide an explanation for your observations in terms of the effects of solutes of varying concentration on blood cells
Answers
When solutes of varying concentrations are present in the blood, it can have different effects on blood cells.
Example of the solution effects the blood cellsHypertonic solutions, which have a higher solute concentration than the cells, can cause water to leave the cells through osmosis. This can lead to the cells shrinking or even collapsing.
In contrast, hypotonic solutions have a lower solute concentration than the cells, causing water to move into the cells and potentially leading to them swelling or bursting.
Isotonic solutions have the same solute concentration as the cells, resulting in no net movement of water. These effects can impact the overall health of an individual.
For example, if someone were to consume a large amount of a hypertonic solution, such as salt water, it could lead to dehydration and damage to their blood cells.
On the other hand, a hypotonic solution, such as drinking excessive amounts of water, could also be detrimental as it could cause cells to swell and potentially burst, leading to issues such as hemolysis.
Therefore, it is important for individuals to maintain a healthy balance of solutes in their bloodstream to ensure the proper functioning of their blood cells and overall health.
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What's the function of incisors and canines
Answers
Canines : tears down the food into further smaller pieces
what is the name of the part of dna where dna replication starts ?
Answers
Answer:
the nucleus
Explanation:
I think this is correct
please help please help please help please help please help please help please help please help please help please help please help please help please help please help \
Answers
Answer:
D
Explanation:
Groups of cells working together are called tissues.
Happy Halloween!
Answer:
d
Explanation:
when designing an experiment to determine if a trait is X-linked, what factors need to be considered in terms of the initial parental matings that will be conducted?
what factors must be considered in terms of how data will be collected when the progeny are scored?
Answers
When designing an experiment to determine if a trait is X-linked, it is important to consider factors related to the initial parental matings and how data will be collected when scoring the progeny.
In terms of the initial parental matings, the first factor to consider is the selection of appropriate parental individuals.
For an X-linked trait, one parent should possess the trait of interest (the X-linked phenotype) while the other parent should not.
This is typically achieved by using a female with the trait and a male without the trait.
This is because if the trait is X-linked, the female parent will pass on one of her X chromosomes to all offspring, potentially carrying the trait, while the male parent can only pass on his Y chromosome, which does not carry the trait.
The second factor to consider is the size of the breeding population. A larger population size increases the likelihood of obtaining a sufficient number of progeny to obtain statistically meaningful results.
Additionally, it is important to ensure that the mating pairs are randomly selected to avoid any bias in the data.
In terms of data collection when scoring the progeny, the main factor to consider is accurately determining the phenotypes of the offspring. This requires careful observation and recording of the trait of interest in each individual.
To minimize bias, it is often recommended to have multiple observers independently score the phenotypes and compare their results for consistency. It is also important to establish clear criteria for defining the presence or absence of the trait.
Furthermore, to determine if the trait is X-linked, it is necessary to analyze the data using appropriate statistical methods.
This may involve performing chi-square tests or other tests to compare the observed frequencies of the trait in males and females.
The data should be analyzed separately for males and females to assess any sex-specific patterns.
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do you think that farmers should be able to divert all the water they need? why or why not?
support your opinion with facts, if needed use the internet and make sure to cite properly.
Answers
Water allotted for irrigation should not be diverted for non-irrigation purposes without the consent of the farmers. As pure water in a mass amount is already an valuable resource and if irrigation not done sufficiently it might hurt food chain.
What is irrigation?The process of artificially applying water to crops to meet their needs is known as irrigation. Irrigation is another method of supplying nutrients to the crops. Wells, ponds, lakes, canals, tube-wells, and even dams are some of the different water sources used for irrigation. For germination, growth, and other related processes, irrigation provides the moisture needed.
For different crops as well as varying based on the types of soil and seasons, irrigation frequency, rate, amount, and timing must be considered. As an illustration, summer crops need more water than winter crops do.
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if meiosis halves the numbers of chromosomes in gametes, then how do the cells return to normal chromosome number
Answers
If there is no meiotic reduction, the number of chromosomes will be increased every time the next generation is produced. If there are two diploid (2n) parents, the gametes will be diploid (2n- egg and 2n- sperm) and the child will be tetraploid (4n).
What is meiosis ?Meiosis is a unique form of germ cell division that creates gametes, such as sperm or egg cells, in sexually reproducing animals. Two rounds of division are necessary, and the end result is four cells with only one copy of each chromosome.
Meiosis, also known as "reduced division," involves cutting the number of chromosomes in half to ensure that the baby's chromosomal count will be accurate after the fusing of the sperm and the egg.
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It is common in early childhood
a. conjunctivitis
b. astigmatism
c. amblyopia
Answers
Amblyopia, also known as "lazy eye," is a common condition in early childhood. Option C is the correct answer.
Amblyopia occurs when there is a disruption in the normal development of vision, typically due to an imbalance in the visual input between the two eyes. This can result in reduced visual acuity in the affected eye, even with the use of corrective lenses.
Conjunctivitis refers to an inflammation of the conjunctiva (the clear tissue covering the white part of the eye and the inner surface of the eyelids) and is not specifically associated with early childhood.
Astigmatism, on the other hand, is a refractive error that affects the way light enters the eye, causing blurred or distorted vision, but it is not specific to early childhood either.
Amblyopia, however, is a condition that commonly occurs in early childhood and is characterized by reduced vision in one eye.
Thus, option C is answer.
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true breeding parents ______ trait variant(s) to there offspring A might only pass 1 B will pass 2 C can only pass one D will not pass
Answers
True breeding parents might only pass one (1) trait variant to their offspring (Option A).
What is true breeding?A true-breeding can be defined as a special type of mating where parents produce offspring that have the same phenotype.
True breeding occurs when parental lines having a given phenotype generate descendence with this same phenotype.
These parents need to be homo-zygous, i.e., they need to have the same gene variant or allele, for the trait to be inherited.
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Answer:
True breeding parents can only pass one trait variant(s) to their offspring.
the answer is C.
Explanation:
Have a nice day! (did it on my test n got it correct)
Identify one of the leadership values you would like to develop further over the course of the next year and propose an improvement plan (tasks, dates, measures of progress). Your plan should be specific, measurable, achievable, relavant and time bound. Leadership values are discussed in Chapter 7 of the text and you can find examples and lists through your own research. These values tend to define your "personal character" or "personal brand" and should be consistent with you actions and behaviour. Examples would include: honesty, hardworking, trustworthy, ethical, loyal, persistent, optimistic, motivating, encouraging, brave, caring, respectful, give and take responsibility, admit to mistakes and learn, accountable, reliable, keep promises, listen and coach others, take initiative, proactive, maintain stamina, positive attitude, etc.
Answers
By following this improvement plan,one can aim to develop and enhance my empathy as a leadership value over the next year.
One leadership value I would like to develop further over the course of the next year is empathy. Empathy is a crucial leadership trait that involves understanding and sharing the feelings of others. It allows leaders to connect with their team members on a deeper level, foster positive relationships, and create a supportive work environment.
Improvement Plan for Developing Empathy:
Research and Study: (July - August): Read books and articles on empathy and its importance in leadership.Attend webinars or workshops focused on developing empathy skills.Engage in discussions with colleagues or mentors who possess strong empathetic qualities.Self-Assessment: (September): Reflect on my current level of empathy and identify areas for improvement.Evaluate past interactions with team members to identify instances where empathy could have been enhanced.Take note of personal biases or preconceptions that may hinder empathetic responses.Active Listening: (October - November): Practice active listening skills, focusing on truly understanding others without interrupting or judging. Demonstrate genuine interest in others' thoughts, feelings, and perspectives. Engage in conversations where I actively seek to understand rather than merely respond.Emotional Intelligence Development: (December - January): Enhance emotional intelligence by recognizing and managing my own emotions effectively. Develop a better understanding of how emotions impact the behavior and well-being of others. Explore strategies for regulating emotions and responding empathetically in challenging situations.Perspective-Taking: (February - March): Put myself in others' shoes to gain a deeper understanding of their experiences, challenges, and motivations.Seek opportunities to learn about the diverse backgrounds and perspectives of team members. Encourage open dialogue and create a safe space for team members to share their thoughts and feelings.Feedback and Reflection: (April - May): Seek feedback from colleagues, team members, and mentors regarding my progress in demonstrating empathy. Reflect on my interactions and evaluate how well I have applied empathy in different situations. Make adjustments based on feedback and continue to refine my empathetic approach.Measures of Progress: Regularly self-assess my empathetic responses and behaviors. Seek feedback from team members regarding their perception of my empathy. Notice an increase in open and honest communication within the team. Observe improved trust, engagement, and satisfaction among team members. Evaluate the frequency and quality of personal connections and relationships established with team members.By following this improvement plan,one can aim to develop and enhance my empathy as a leadership value over the next year.
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A study was conducted in a particular preschool to investigate whether there is a link between breastfecding and a child's level of intellectual functioning, 20 breastfed and 40 not breastfed (non-breastfed) four year old children were involved. Each child is allocated a unique ID number between 1 and 60 (inclusive). Each child had to answer a few basic questions. To motivate them to answer all questions, the investigator offered Whittaker's Miraka Kirīmi (chocolate) bar. (a) For each of the following scenarios, identify the named distribution that can be used to model X, including its parameter(s). i. Each day a randomly chosen child is given a chocolate bar. All 60 children are in the draw every day. Let X be the number of days before the child with ID number 1 is chosen twice. Note that the day on which the child with ID number 1 is chosen for the second time is not counted. [2 marks] ii. Five children are randomly chosen to sit around one table and do their test. Let X be the number of non-breastfed children chosen. [2 marks] (b) Refer to your choice of named distribution in 2(a)ii above and answer the following questions. i. Find the expected value of X,E(X), and the variance of X,Var(X). [2 marks] ii. What is the probability that at least one child in the group of five children chosen to do the test is breastfed? [2 marks]
Answers
The variance of X, Var(X), for the hypergeometric distribution, the formula is: 1.67
How to calculate the valueThe hypergeometric distribution has three parameters:central idea
N: the total population size (60 children in this case)
K: the number of success states in the population (40 non-breastfed children in this case)
n: the number of draws (5 children chosen in this case)
To calculate the variance of X, Var(X), for the hypergeometric distribution, the formula is:
Var(X) = n * (K / N) * ((N - K) / N) * ((N - n) / (N - 1))
Using the same values as before, we have:
Var(X) = 5 * (40 / 60) * ((60 - 40) / 60) * ((60 - 5) / (60 - 1))
= 1.67
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Regarding Natural Selection, what does the term FIT mean?
Answers
Answer:
to an evolutionary biologist fitness simply means reproductive success and reflects how well an organism is adapted to its environment.We call them fit because of how successfull they reproduce not how well they do at athletic events
Explanation:
Answer:
The term "fitness" in evolutionary biology means the ability of an organism to pass on its genetic material to its offspring. Biological or "Darwinian" fitness is being able to live long enough to reproduce and keep the population or species alive.
Which two sentences describe how a team of engineers would be likely to use a physical model during the engineering design process?
Answers
Answer:
B and C
Explanation:
Answer:
b and c i needed my weekly answered questions but the answer before mine was 100% correct it helped me a lot
Explanation:
The speed of a wave is 40 m/s. If the wavelength is 80 centimeters, what is the frequency of the wave?
Answers
12. A lizard will drop its tail to escape a predator and then regrow the tail.
What type of cell division is needed?
O A. Cytokinesis
O B. Mitosis
O C. Meiosis
O D. Both mitosis & meiosis
Please help
Answers
Hope this helps!
Answer:
A. Cytokinesis
Explanation:
Can I get Brainllest I need it please?
The rate at which a specific allele appears within a population is known as the.
Answers
Answer:
Allele Frequency
Explanation:
hope this helps!
What
are pheromones? What evidence is there that pheromones may play a
role in the regulation of human menstrual cycles?
Answers
Answer: pheromones can be detected by the olfactory system although humans under develop and underrate their smelling sense. Pheromones may be present in all bodily secretions but most attention has been geared toward axillary sweat which contains the odorous 16-androstenes.
By studying people with brain damage in certain regions of the brain, we gain a better understanding that?
Answers
By studying people with brain damage in certain regions of the brain, we gain a better understanding that the cognitive processes rely on the brain.
Brain is the one of the most essential organ of the body that controls the emotions, memory, touch, thought process, motor skills, breathing, body temperature, hunger and all other processes that regulates our body.
Brain along with spinal cord and its extension consists of the Central nervous systems.
Any injury or harm that can cause damage to brain cell is called brain damage. It could lead to stroke, shock, blood clots formation or other problems in the brain.
Cognitive process is the ability to make judgement and perception. It can be lost due to brain damage.
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Four of the six kingdoms are compromised of organisms that contain
eukaryotic cells. Which structure in a cell would give you the BEST
evidence that the cell is eukaryotic? *
O Ribosome
O Genetic material
O
Nucleus
O Cell membrane
Answers
Answer:
The best evidence that a cell is eukaryotic is the presence of the cell structure called the nucleus.
Explanation:
The most significant difference between eukaryotic and prokaryotic cells is that the former have a nucleus, where they store genetic information in the form of DNA.
The nucleus of eukaryotic cells occupies approximately the center of the cell and is a structure associated with the endomembrane system. Its function is to control cell activity, and its genetic material is duplicated before cell division.
In prokaryotic cells, in the absence of a nucleus, the genetic material is dispersed in the cellular cytoplasm.
Regarding the other options:
Both cell types, eukaryotes and prokaryotes, have ribosomes, genetic material and cell membrane.
1) The interaction of which two systems provides the molecules needed for the
metabolic activity that takes place at ribosomes?
Answers
Answer:
digestive and circulatory