All life shares dna as the hereditary material. from an evolutionary perspective, why do you think this is the case?
Answers
All life is a result of a common ancestor that passed on both its genes and the means for employing them to its offspring. Therefore, DNA is crucial for the study of evolution.
The degree of genetic variation between two species indicates how different they are from one another and, in turn, how intimately or related in some way they are. The average genetic difference between individuals in modern humans is quite small—about 0.1%—whereas research on the chimpanzee genome's similar regions shows a difference of roughly 1.2%. A close relative of chimpanzee (Pan troglodytes), the bonobo (Pan paniscus) differs from humans in the same ways. Another African ape, gorillas, share a 1.6% DNA difference with humans. Most crucially, all three species—chimpanzees, bonobos, and humans—display the same degree of differentiation from gorillas. The orangutan, an Asian giant ape, is 3.1% different from us and the African apes. What are the monkeys like? For instance, the DNA of all great apes and humans differs from that of rhesus monkeys by around 7%. Geneticists have developed a number of methods for estimating the percentages, which produce a range of results regarding the degree of similarity between chimps and humans. For instance, only changes in the fundamental components of the genes that chimpanzees and humans share are measured when determining the 1.2% chimp-human difference.
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Related Questions
A slab of bare rock is covered with lichens. In time, mosses cover the rock, followed by grasses, and finally by small shrubs and tree saplings. In this example, the lichens represent
a. pioneer organisms
b. secondary consumers
c. a climax community
d. a dominant species
Answers
Answer: pioneer organisms
Explanation: they were present as the environment developed
Animal Systems:Question 7
The following is a list of several human body systems.
1 Transport of nutrients and gases to cells
2. Contractions/Movement of the body
3. Productions of gametes
4. Exchange of gases
Which two functions of systems in the list describes the circulatory and misstems?
Answers
1 and 4
1 and 3
1 and 2
2 and 3
Answers
Answer:
2 and 3
Explanation:
no explanation please
some animals look things from very far distance and others not see from far distance why?
Answers
Answer:
The brain gets better with practice, so routine actions like walking become second nature. That is why your first time on the monkey bars is harder than your 100th time.
So how does the brain judge distance? The key for animals — like monkeys and humans — is in our eyes.
Where these different views overlap is how the brain is able to calculate the difference in distance and to judge depth.
This happens because the closer an item is to you, the greater the relative difference between the eyes will be compared with the object. The farther away an item is, the smaller the relative distance between the eyes will be. Our brain is great at remembering patterns, and it remembers the differences that each eye is seeing and correlates it with a distance. It can also find the distance by calculating the “convergence,” or how crossed your eyes become while looking at something. The more crossed your eyes become when looking at an object, the closer the object.
A plant growing toward light is an example of?
Answers
Answer:
A plant growing toward light is an example of phototropism
Explanation:
A plant's reaction to the stimulation of light, known as phototropism, causes it to grow or bend in a certain direction in response to the light source. Positive phototropism is the tendency of a plant to grow or bend in the direction of the light when it gets light from one direction. This makes it possible for the plant to get the lightest exposure, which is essential for photosynthesis, the process through which plants turn light energy into food.
Select the correct definition of phenotype.
One of two identical “sister” parts of copied chromosomes
One member of a pair of genes that occupy a specific position on a specific chromosome
The genetic makeup of an organism
The observable physical or biochemical traits of an organism
Answers
Answer:Chromatid-
One member of a pair of genes that occupy a specific position on a specific chromosome:
Allele
The genetic makeup of an organism:
Genome
The observable physical or biochemical traits of an organism:
Phenotype
Explanation:
Answer: The observable physical or biochemical traits of an organism
Explanation: I saw the explanation in my science book
what if you have an 66% in a class and you fail your final exam that is 15 % of your grade, then what percentage would you have after your final exam?
Answers
Step by step explanation:
15% = 0.15
66 • 0.15 = 9.9
66 - 9.9 = 56.1
Predict how a dialysis machine works to remove wastes from the blood and to adjust fluid and electrolyte imbalances.
Answers
A dialysis machine is a medical device used to remove waste products and excess fluid from the blood when the kidneys are unable to perform this function due to kidney failure or disease. It works by filtering the blood and adjusting fluid and electrolyte imbalances.
The dialysis machine operates by pumping the patient's blood out of their body and into the machine. Inside the machine, the blood flows through a filter called a dialyzer. The dialyzer contains a semipermeable membrane that allows waste products and excess fluid to be removed from the blood while retaining essential components such as red and white blood cells.
The machine continuously circulates the patient's blood through the dialyzer until the desired amount of waste and fluid has been eliminated. Additionally, dialysis machines have the capability to monitor and control the levels of sodium, potassium, calcium, and other electrolytes in the blood to address imbalances.
To ensure the patient's safety and well-being, dialysis machines utilize sensors, monitors, and specialized software to maintain a proper fluid and electrolyte balance. This monitoring system helps to keep these levels within a safe and healthy range.
In summary, dialysis machines are vital in assisting patients with kidney disease by removing waste products and excess fluid from the blood. They also contribute to maintaining a healthy balance of fluids and electrolytes in the body, helping patients manage their condition effectively.
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The graph shows the frequency of two alleles for a genetic trait in a population. A graph entitled Frequency of 2 Alleles in a Population has generation number on the horizontal axis, and frequency on the vertical axis, from 0 to 1. Allele Upper A has a 0.5 frequency at generations 1, 2, 3 and 4. It has a 0.45 frequency at generation 5. Allele a has a 0.5 frequency from Generations 1 through 4 and then has a frequency of 0.55 at generation 5. Which question is a biologist most likely to ask after seeing this graph? Did the observer make the wrong observations in generation 5? How many individuals were observed in each generation? Is there a theory that explains the results in the graph? Will the frequency of the alleles in this population change again?
Answers
Answer:
C. Is there a theory that explains the results in the graph?Explanation:
i tack test
The element nitrogen is present in all of the following except A) proteins.B) nucleic acids.C) amino acids.D) DNA.E) monosaccharides.
Answers
Nitrogen is present in all of the options listed except for monosaccharides. Thus, correct option is (E).
A crucial component of biological compounds is nitrogen. Nitrogen is a component of proteins, nucleic acids (DNA and RNA), amino acids (which serve as the building blocks for proteins), and DNA. Amino acids, which make up proteins, contain nitrogen as a necessary part of their structure.
Adenine, cytosine, guanine, and thymine/uracil are nitrogenous bases that are essential for the operation of nucleic acids, including DNA. Monosaccharides, simple sugars and the fundamental unit of carbohydrates, do not, however, include nitrogen. Instead, the majority of their atoms are made up of carbon, hydrogen, and oxygen.
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Which is NOT true about cardiac muscle?
A. Its movements are involuntary.
B. It can't be conditioned.
C. It is found only in the heart.
D. It does not fatigue and never stop working.
Answers
Answer:
D. It does not fatigue and never stop working.
Explanation:
Which statement is FALSE about the Cell Cycle? Question 4 options:
A. During Prophase, the cell fully splits into a parent and a daughter cell.
B. Most of the cell's life is spent in Interphase, growing larger.
C. The stages of the cell cycle repeat themselves.
D. The cytoplasm divides during the process called cytokinesis.
Answers
Answer:
the answer is A since the cell splits into two only during the cytokinesis
Answer: I belive its A
Explanation:
Plants that have stems that store water and no leaves would MOST likely live in a
A.
pine forest.
B.
grassland.
C.
desert.
D.
rainforest.
Answers
Plants that have stems that store water and no leaves would most likely live in a desert, hence option C is correct.
Cacti have evolved by losing their leaves and developing spines instead of thorns. There is a significant distinction between the two. While spines are a type of leaf alteration, thorns are a type of stem. Cactus spines provide a microclimate by protecting the rounded or ribbed stems from the hot desert heat.
Desert plants have spine-like leaves that have a smaller surface area and lose less water through transpiration. Their stem is green and uses photosynthesis, while their leaves have been reduced to spines.
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An increase in the concentration of greenhouse gases, like carbon dioxide, in the atmosphere can increase the temperature on Earth. How would such an increase in temperature most likely affect Earth's water cycle?
Answers
Answer:
Global warming intensifies water cycle
Explanation:
Global warming can dramatically intensify the water cycle because this phenomenon is associated with an increase in temperature, thereby a higher amount of water is evaporated into the air and a higher amount of ice is melted at the poles. Warmer atmospheric air will have a higher amount of water vapor, increasing the frequency and intensity of rainstorms. In consequence, global warming can significantly increase the probability of flooding in coastal communities.
• State function of co-factors cell metabolism
Answers
Answer:
Explanation:Cofactors can be metals or small organic molecules, and their primary function is to assist in enzyme activity. They are able to assist in performing certain, necessary, reactions the enzyme cannot perform alone
The manner in which plant roots grow depends on the amount of water in the soil. For example, when a plant begins to experience drought conditions, the plant's roots may grow deeper in search of water to help the plant maintain homeostasis.
A student wants to investigate the way in which plant roots respond to flood conditions. She begins by obtaining two medium-sized plants. Each plant is in a large pot. What step should the student take next?
Answers
The next step of the student should take is to flood one of the pots with water, while keeping the other pot as a control group.
This will allow the student to observe and compare the growth of the roots in the flooded pot to the control pot under normal conditions. The student should then monitor the growth of the roots over time and record any observable differences between the two plants. This will help the student understand how plants respond to flooding conditions and how it affects their root growth.
Plant roots are the underground part of a plant that anchors it to the soil and absorbs water and nutrients from the soil. Roots typically grow downwards in response to gravity, a process known as gravitropism, and will also grow towards sources of water and nutrients.
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Based on the hierarchical clustering analysis, which cluster of states have low population and low physical activities comparing to other clusters?.
Answers
Answer:
Alabama, Indiana, Kentucky
Explanation:
Why do the noble gases NOT form compounds readily?
Group of answer choices
They have an empty outer shell
They have a full valence shell
They have 7 valence electrons
They have no electrons
Answers
it's bc they have a full valence shell
Which ocean is on the eastern coast of north and South America
Answers
Answer:
Atlantic Ocean
Explanation:
Edge 2021
For all of the following questions, a grumpy prince is crossed with a homozygous happy, heterozygous dwarf.
A= happy a= grumpy, B= dwarf b= prince
What is the genotype of the dwarf?
Answers
The tall plant's genotype is Tt because there are exactly one tall plant for every one dwarf plant in the offspring.
What else is meant by homozygous?In terms of genetics, being homozygous means that you have inherited the identical alleles of a particular genomic marker from both of your biological parents. As a result, a person who possesses two identical copies of a genetic marker is said to be homozygous.
Dominant or recessive is homozygous?When an organism is homozygous, it signifies that it possesses two copies of the same gene allele. If an organism possesses 2 copies of the identical dominant allele, it is said to be homozygous dominant, and if it possesses two copies of the same recessive gene, it is said to be homozygous recessive.
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The agonist--antagonist opioids are designated as _________________ because they bind to more than one opioid receptor site.
Answers
The agonist-antagonist opioids are designated as mixed, due to their ability to bind to more than one opioid receptor site.
Agonist-antagonist opioids.These opioids are mixed.
This means they will bind to more than one receptor site.
They do this to force a reaction while inhibiting an unwanted adverse reaction that commonly takes place.
This allows the opioids to function and greatly reduces the chances of addiction.
Therefore, we can confirm that the agonist-antagonist opioids are designated as mixed, due to their ability to bind to more than one opioid receptor site.
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Categorize each carbohydrate listed as either a monosaccharide, disaccharide, or polysaccharide.
glucose
cellulose
sucrose
fructose
starch
Answers
Answer:
hey there,
glucose - monosaccharide
cellulose - polysaccharide
sucrose - disaccharide
fructose - monosaccharide
starch - polysaccharide
Hope this helped! Feel free to ask anything else.
glucose - monosaccharide
cellulose - polysaccharide
sucrose - disaccharide
fructose - monosaccharide
starch - polysaccharide
Explanation: shout out to the person above!!! ^
100% correct
If a telescope could zoom even further in, and look beyond the hdf , what do you think they would see?
Answers
Which space telescope is used to see distant objects?
The Hubble Space Telescope, often known as HST or Hubble, is an observatory that was put into low-Earth orbit in 1990 and is still in use today.Although it wasn't the first space telescope, it is one of the biggest and most useful ones. It is famous for being both an essential scientific tool and a public relations success for astronomy.The only telescope made with astronaut maintenance in mind is Hubble. Five Space Shuttle trips have been used to replace, improve, and repair the telescope's systems.Since Hubble is orbiting outside of Earth's distorted atmosphere, it can take extraordinarily high-resolution pictures with a lot less background light than ground-based telescopes can.The Hubble telescope and other space telescopes can be used to zoom at distant objects.
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Question 4
Mitosis maintains complex organisms by which of the following processes?
A The removal of waste from the body
B The exchange of gas with the environment
C The formation of sperm and egg
D The healing of a cut after an injury
Answers
Explanation:
option c is the correct as mitosis helps to create baby .
When oxygen is available following glycolysis, pyruvic acid continues along the energy-producing pathway of cellular respiration called
A) Aerobic respiration
B) Anaerobic respiration
C) Fermentation
D) Photosynthesis
Answers
Answer:
Aerobic respiration
Explanation:
Hope it's right!:)
Answer:
aerobic
Explanation:
It's aerobic because any order respiration that occurs when the is oxygen is called aerobic respiration
In the fruit fly Drosophila, a rudimentary wing called "vestigial" and dark body color called "ebony" are inherited at independent loci and are recessive to their dominant wild-type counterparts, full wing and gray body color. Dihybrid wild-type males and females are crossed, and 6400 progeny are produced.
Part A: How many progeny flies are expected to have full wings and gray bodies?
Part B: How many progeny flies are expected to have full wings and ebony bodies?
Part C: How many progeny flies are expected to have vestigial wings and gray bodies?
Part D: How many progeny flies are expected to have vestigial wings and ebony bodies?
Answers
The amount of full wings and gray bodies are 3200, full wings and ebony bodies as well as vestigial wings and gray bodies are 600 each and vestigial wings and ebony bodies are 200.
In the Drosophila, which is also known as the fruit fly, ebony body and vestigial wings are the traits which are basically inherited at independent loci. They are also recessive traits. If dihybrid wild-type males as well as females are crossed then 6400 progenies were obtained. We know the ratio obtained in a dihybrid cross is 9:3:3:1. Therefore, to calculate the number of progenies,
Full wings and gray bodies = (9/16) × 6400 = 3200
Full wings and ebony bodies = (3/16) × 6400 = 600
Vestigial wings and gray bodies = (3/16) × 6400 = 600
Vestigial wings and ebony bodies = (1/16) × 6400 = 200
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to solidify media used to grow microbes, usually __________ is added to the nutrient broth.
Answers
To solidify media used to grow microbes, usually agar is added to the nutrient broth. Agar is a polysaccharide extracted from red algae, and it has unique properties that make it ideal for solidifying microbiological media.
Agar is stable at high temperatures, and it can be melted and poured into sterile petri dishes without denaturing the nutrients or killing the microbes that will be grown on it. Once solidified, agar forms a gel-like substance that provides a stable surface for microbes to grow on.
Agar is also non-toxic and non-reactive, making it safe to handle in a laboratory setting. By adding agar to nutrient broth, microbiologists can create a solid medium that can be used to isolate and study individual colonies of bacteria or fungi. This technique is widely used in microbiology research, clinical microbiology, and industrial microbiology.
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Hormones are chemical molecules produced by endocrine glands. One such endocrine gland is the thyroid gland, which synthesizes the thyroid hormone, which in turn affects the heart muscles. Which two statements describe the probable reason for the function of the hormone?
The cells in the heart have specific receptors that allow for the intake of hormones.
The heart and the endocrine glands have the exact same types of cells.
All cells make the same types of hormones.
Thyroid hormones show their effect on the heart by means of specialized cells.
Thyroid cells and cardiac cells have different DNA.
Answers
The correct statements are
Statement(1) : The cells in the heart have specific receptors that allow for the intake of hormones.
Statement(4) : Thyroid hormones show their effect on the heart by means of specialized cells.
What are hormones?Hormones are chemicals that coordinate many bodily processes by sending information to your organs, skin, muscles, and other tissues through your blood. Your body receives these messages that instruct it when and what to do. Your life and health depend on hormones.
Your endocrine system is composed primarily of the glands and tissues that produce and secrete hormones. Numerous physiological functions are regulated by hormones.
What are thyroid hormones?The key hormone in charge of regulating how quickly your body's metabolism works is the thyroid hormone. Thyroid hormone is essential for baby brain development. Thyroid hormone is produced and released by your thyroid, a little gland in the shape of a butterfly that is tucked under the skin at the front of your neck. Your endocrine system contains it.
What are endocrine glands?The network of glands in your body known as the endocrine system produces the hormones needed for cells to communicate with one another. They are in charge of practically every cell, organ, and bodily process. The endocrine system is made up of several glands.
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The two statements are: The cells in the heart have specific receptors that allow for the intake of hormones and Thyroid hormones show their effect on the heart by means of specialized cells.
What are hormones?Hormones are chemical messengers produced by endocrine glands that regulate various physiological processes and behaviors in the body. They are secreted into the bloodstream and carried to target cells or organs where they exert their effects by binding to specific receptors. Hormones play a crucial role in maintaining homeostasis, coordinating growth and development, regulating metabolism, controlling reproductive functions, and influencing mood and behavior.
Different endocrine glands produce different types of hormones, each with its specific functions and target tissues. Examples of hormones include insulin, cortisol, estrogen, testosterone, and thyroid hormone. The precise balance and regulation of hormones are essential for the proper functioning of the body and maintaining overall health and well-being.
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fraser jh, helfrich mh, wallace hm, ralston sh. hydrogen peroxide, but not superoxide, stimulates bone resorption in mouse calvariae. bone
Answers
Based on the information you provided, it seems that you are referring to a scientific study titled "Hydrogen peroxide, but not superoxide, stimulates bone resorption in mouse calvariae" conducted by Fraser JH, Helfrich MH, Wallace HM, and Ralston SH.
The study conducted by Fraser JH, Helfrich MH, Wallace HM, and Ralston SH titled "Hydrogen peroxide, but not superoxide, stimulates bone resorption in mouse calvariae" explores the impact of hydrogen peroxide on bone resorption in mouse calvariae.
The study found that hydrogen peroxide, but not superoxide, stimulates bone resorption in this specific mouse model.
Please let me know if you have any further questions or if there's anything else I can assist you with.
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What are the pros and cons of netting in biodiversity
Answers
Biodiversity offsets are quantifiable conservation initiatives that are added to existing preventative and mitigation efforts to make up for inevitable damage.
In terms of species diversity, habitat quality, and ecosystem function, offsets should result in no net loss of biodiversity and, ideally, a net gain. The debate over biodiversity offsets is contentious since some governments are promoting offsets as a means of "accelerating development, or more simply as a means of undermining comprehensive land planning and allowing detrimental development on protected territory." There has been a lot of pushback to this. Purchasing fewer products and ensuring that the ones you do purchase have a minimal impact on biodiversity investing in initiatives to advance biodiversity looking for ways to cut of consumer products, such as food, clothing, and electrical equipment.
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Divide the word below into its word parts. In the box below, list all word parts and their meanings cellulitis (cellultitis) cellul-cell, itis-inflamed
Answers
The word "cellulitis" can be divided into two word parts: "cellul-" and "-itis." "Cellul-" refers to the cell, and "-itis" indicates inflammation.
1: The word "cellulitis" is divided into two parts: "cellul-" and "-itis."
2: "Cellul-" is derived from the Latin word "cellula," meaning "small room" or "cell."
3: In medical terminology, the term "cellul-" is often associated with cells or cellular structures.
4: "-itis" is a suffix in medical terminology that denotes inflammation.
5: It is derived from the Greek word "itis," meaning inflammation.
6: When combined, "cellulitis" refers to a condition characterized by inflammation of the cells or cellular tissues, typically used to describe a bacterial infection of the skin and subcutaneous tissues.
7: Therefore, in the word "cellulitis," "cellul-" refers to cells or cellular structures, and "-itis" indicates inflammation.
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