Answers
Related Questions
how do you think the intake of nutrients and expenditure of energy relate to a metabolic level
Answers
The intake of nutrients and expenditure of energy relate to a metabolic level is the rate at which the body converts food into energy.
When we consume food, the body breaks it down into smaller molecules that can be used for energy. This process is called digestion and it requires energy.
The nutrients from the food we eat are then transported to cells throughout the body where they are used to fuel cellular processes, such as muscle contraction and brain function.
The body's metabolic rate is influenced by the type and amount of nutrients consumed. For example, consuming carbohydrates and proteins increases metabolic rate more than consuming fat.
This is because carbohydrates and proteins require more energy to digest and absorb than fat.
Additionally, the expenditure of energy through physical activity can also influence metabolic rate. Regular exercise increases muscle mass, which requires more energy to maintain than fat tissue.
This means that individuals with more muscle mass have a higher metabolic rate than those with less muscle mass, even at rest.
Overall, the intake of nutrients and expenditure of energy are closely related to metabolic rate, and maintaining a balanced diet and regular physical activity can help to optimize metabolic function.
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Which of the following was proposed by Charles Darwin?
A.endosymbiosis hypothesis
B.biogenesis
C.natural selection
D.experimentation
Answers
Answer:
Charles Darwin proposed the theory of natural selection.
Most articles pass right through the atom, this means that most of the atom is
Answers
Most articles pass right through the atom, this means that most of the atom is an empty space.
What is an atom?An atom is described as a particle that consists of a nucleus of protons and neutrons surrounded by a cloud of electrons.
Protons and neutrons make up the core nucleus of an atom, which is encircled by an electron cloud. In relation to the size of the atom as a whole, the nucleus is exceedingly small.
As a result, the electrons surrounding the nucleus are the primary target of interactions when particles or even light pass through an atom. The majority of the atom's remaining space, which includes the nucleus, is vacant.
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The term ______ refers to all chemical reactions occurring in the body.
respiration
assimilation
digestion
metabolism
Answers
Answer: metabolism
Explanation:
Many people think that metabolism is just the process of creating energy, but it is so much more than that. However, any chemical process that occurs in the body with the idea of being life-sustaining is considered metabolism. The rate of metabolism varies from person to person, with some people having faster metabolism than others.
The term metabolism refers to all chemical reactions occurring in the body. Therefore, option D is correct.
Metabolism contains a wide range of processes involved in the conversion of nutrients into energy, the synthesis of molecules needed for cellular activities, and the breakdown of substances for elimination.
Metabolism is of two types and that is anabolism and catabolism. Catabolic reactions involve the breakdown of larger molecules into smaller ones, releasing energy in the process. Anabolic reactions involve the synthesis of larger molecules from smaller components, requiring energy input.
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How do humans effect the nitrogen cycle?
Answers
Answer:
Scientists have determined that humans are disrupting the nitrogen cycle by altering the amount of nitrogen that is stored in the biosphere.
Explanation:
only animals respond to their environment true or false
Answers
\(\textbf\red{False}\)
\( \\ \\ \)
\(\small\text\green{\underline{All living things responds to their environment.}}\)
Examination of a sample of glandular cells reveals an extensive network of smooth endoplasmic reticulum. Which of the following is the likeliest product of these cells?
A) digestive enzymes
B) steroid hormones
C) protein hormones
D) transport proteins
E) antibodies
Answers
If glandular cells have an extensive network of the smooth endoplasmic reticulum then those cells must be producing steroid hormone.
The correct option is option B.
Glandular cells are the cells which usually develop from the inside of the cervix which is also called the endocervical canal but they can also originate from various other parts of the reproductive system like the endometrium, which is basically the lining of the uterus, the fallopian tube, or even the ovary. It is usually involved in the production of mucus.
Steroid-secreting cells are usually characterized by the presence of abundant smooth endoplasmic reticulum whose membranes happen to contain many enzymes involved in steroid production. The smooth endoplasmic reticulum functions in a lot of different metabolic processes. It is able to synthesize lipids, phospholipids and also steroids.
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Match the level of ecological organization
described by each of the statements below.
Only the areas that life inhabit, from the upper
crust of the Earth through the lower atmosphere.
A. Biological community
B. Biosphere
C. Ecosystem
D. Earth
Answers
Answer:
I think it is c
Explanation:
I'm not sure
List and explain the 3 types of biodiversity
Answers
Answer:
genetic, species, and ecosystem
Explanation:
.
You are studying to become a doctor and must explain to a patient about mutations. She would like to
know how they happen. Which of the following can you tell her does NOT cause them?
.
.
O A. Exposure to UV radiation
O B. Standing in front of a microwave while it's on
O C. Exposure to certain chemicals
.
O D. Errors during DNA replication
Answers
Answer:
A.Exposure to UV radiation
Explanation:
The one that does not cause mutation in the patient is exposure to UV radiation. The correct option is A.
What is mutation?A mutation is an alteration in an individual's DNA sequence. Mutations can be the outcome of errors in DNA replication all through cell division, mutagen exposure, or viral infection.
Mutagens are environmental factors that cause mutations. Mutagens can be radiation, chemical products, or infectious agents. Mutations can occur spontaneously in nature.
UV rays can lead to premature skin aging and sun damage symptoms such as wrinkles, leathery skin, liver spots, actinic keratosis, and solar elastosis.
Thus, the correct option is A.
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distribution of chlorophyll, stomata, mesophyll cells and vascular bundles support photosynthesis
Answers
Yes, the distribution of chlorophyll, stomata, mesophyll cells, and vascular bundles supports photosynthesis.
Let us discuss each separately.
Chlorophyll: It absorbs light energy from the sun, which is essential for photosynthesis. The distribution of chlorophyll within the mesophyll cells ensures that it is positioned optimally to capture sunlight.Mesophyll cells: Mesophyll cells are the main site of photosynthesis in plant leaves. It contains chloroplasts and provides a spongy texture to the leafy surface.Stomata: Stomata are small openings on the surface of leaves that regulate gas exchange, including the uptake of carbon dioxide (CO2) required for photosynthesis and the release of oxygen (O2) produced during photosynthesis. Vascular bundles: Specialized tissues composed of xylem and phloem, responsible for transporting water, minerals, sugars, and other substrates throughout the plant body.To know more, refer to;
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identify the simple organic moelcule formed in the leaf
Answers
Glucose is the primary organic molecule formed in the leaf during photosynthesis. It serves as an energy source for plants and plays a vital role in their growth, development, and survival.
The simple organic molecule formed in the leaf through photosynthesis is glucose. Glucose is a carbohydrate and a primary source of energy for cells. During photosynthesis, plants utilize sunlight, water, and carbon dioxide to produce glucose.In the leaf, chloroplasts, which contain the pigment chlorophyll, capture sunlight. This energy is used to convert carbon dioxide from the air and water from the roots into glucose. The process involves a series of chemical reactions known as the Calvin cycle.Glucose serves as a crucial energy source for the plant. It can be used immediately for cellular respiration to produce ATP (adenosine triphosphate), the energy currency of cells, or stored as starch for future energy needs. Additionally, glucose can be used to synthesize other important organic molecules, such as cellulose, which contributes to the structure of plant cell walls.
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Which of the following can bones store for later use by the body?
blood cells
cartilage
minerals
marrow
Answers
Answer:
minerals
In addition to its mechanical functions, the bone is a reservoir for minerals (a "metabolic" function). The bone stores 99% of the body's calcium and 85% of the phosphorus. It is very important to keep the blood level of calcium within a narrow range.
Minerals
Compare and contrast the end products of protein and carbohydrate digestion between the pigand the cow.
Answers
If thyroid hormones are not released, you can regulate body temperature by _____, which requires a greater use of _____.
Answers
Answer: shivering; oxygen
Explanation:
The thyroid hormones are produced by the thyroid glands and they're the triiodothyronine and the thyroxine. The thyroid hormones are required in metabolism regulation, performs digestive functions, controls the muscle of the heart, and develops the brain.
If thyroid hormones are not released, you can regulate body temperature by shivering and which requires a greater use of oxygen.
What type of organism function in a hypertonic environment
Answers
time = distance/speed
Distance
Average
x Time
speed
a) A horse runs at an average speed of 15km/hour for 30km. How
long does this take the horse?
b) A fish swims 30 metres, swimming at an average speed of 6m/s.
How long did this take?
Answers
Answer:
a) Time = Distance/speed
Time = 30km/15km per hour
Time = 2 hour
b) Time = Distance/speed
Time = 30m/6m per sec
Time = 5 sec
Think about a favorite fruit, vegetable, or nut that you love.
Maybe you love mangos or papayas? Or maybe you really
love cashews. Many of the foods we enjoy are imported to
the United States because our climate/biome isn't good for
thair growth explain how this relates to biodiversity
Answers
Which statement best describes how Watson and Crick's model used other scientists' work to create a model of DNA?
Answers
Which statement best describes how Watson and Crick's model used other scientists' work to create a model of DNA? They used Chargaff's rule to determine that it contains ribose sugar. They used Franklin's photo to determine that DNA was a double helix. They used Levene's work to determine the number of base pairs in each strand. They used Nirenberg and Matthei's studies to determine that DNA is made of nucleotide
The statement best describes how Watson and Crick's model used other scientists' work to create a model of DNA.
A) They used Chargaff's rule to determine that it contains ribose sugar.
B)They used Franklin's photo to determine that DNA was a double helix.
How, explain your answer briefly?Watson and Crick used pieces of information available from different researchers such as Chargaff's rules and Franklin.
Chargaff had explained that the four kinds of nucleotides are present in a DNA molecule in such a manner that 2 types of nucleotides were always present in the same amounts and the other 2 types of nucleotides were also always present in the same amounts.
The first X-ray picture of DNA, created by Rosalind Franklin using a technique known as X-ray crystallography, which led to Watson and Crick's model of DNA. It explained the helical shape of the DNA molecule.
Thus, The correct statement is-They used Chargaff's rule to determine that it contains ribose sugar. They used Franklin's photo to determine that DNA was a double helix.
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A flounder lies motionless on the sandy bottom of the ocean floor. It blends in so well with its environment that predators cannot see it. How does this help the flounder?
Question 1 options:
It helps the flounder reproduce.
It helps the flounder find food.
It helps the flounder defend itself.
It helps the founder move from one place to another.
Question 2 (1 point)
Which of the following is an example of mimicry?
Question 2 options:
A newborn fawn hides among tall grasses near the forest’s edge.
Gelada baboons live in a large troop on a high cliff in Ethiopia.
A spitting cobra spits venom at a predator that come near.
A viceroy butterfly has the same markings as a bad-tasting monarch butterfly.
Question 3 (1 point)
Saving...
When a group of small fish gathers themselves together, as in the image below, possibly giving the appearance of a larger animal, which defensive technique is being used?
Question 3 options:
Mimicry
Ejection
Grouping
Camouflage
Question 4 (1 point)
Which of the following statements best describes what will most likely occur to the moth populations in the image below?
Question 4 options:
The light moths will be captured by predators more easily than the dark moths, and the population of dark moths will rise.
The light moths will be captured by predators more easily than the dark moths, and the population of light moths will rise.
The dark moths will be captured by predators more easily than the light moths, and the dark moths will probably go extinct.
The light moths will change their wing color to match that of the dark moths.
Question 5 (1 point)
What is the most likely explanation of the data shown below?
data table
Question 5 options:
There has been a drought in the area that is affecting all life forms.
The population of natural predators of the moths has gotten smaller.
The moths are living in an environment with light trees.
The moths are living in an environment with dark trees.
Question 6 (1 point)
Suppose a certain species of insect lives in the lush green canopy of the rain forest. Some of the insects are bright green in color, and some are bright yellow. Assume there is a natural predator of the insect in the area. What do you expect to happen to the populations of the green and the yellow insects over time?
Question 6 options:
The green insect population will increase and the yellow insect population will decrease.
The green insect population will decrease and the yellow insect population will increase.
Both insect populations will remain constant over time.
Both insect populations will increase over time.
Question 7 (1 point)
Which of these examples describes a structure penguins use for movement?
Question 7 options:
A penguin stands with a group of other penguins when a predator approaches.
A penguin holds an egg under its feathers to keep it warm
A penguin uses sleek, smooth belly feathers to slide on ice
A penguin holds a squid in its bill.
When grading the question, it w
Question 8 (1 point)
Moles live underground and have several adaptations to this environment. For what purpose are their oversized paws and claws most useful?
Question 8 options:
Fighting off predators
Gathering food
Digging holes and tunnels for food
Mating
PLEASE HELP
Answers
Answer:
The first one is It helps the founder defend itself
The second one is A viceroy butterfly has the same markings as a bad-tasting monarch butter fly
The third one is Mimicry if im wrong do grouping
The fourth one is The light moths will be captured by predators more easily than the dark moths, and the population of the dark moths will rise
The fifth one is TBH i cant answer it i dont see the table
The sixth one is The green insect population will increase and the yellow insect population will decrease
The seventh one is A penguin uses sleek, smooth belly feathers to slide on ice
The eight one is Digging holes and tunnels for food
Explanation:
I answered these on the most logical reasons. I did not search these up anyways if im wrong tell me the ones that were wrong.
Which of the following scenarios describes an example of epistasis?
Answers
What o uawant me to do exactly
Answer:
In rabbits and many other mammals, one genotype (ee) prevents any fur color from developing.
Hope this helps!!! :D
What is an example of an extrusive land forms
Answers
Answer:
Extrusive landforms are formed from material thrown out to the surface during volcanic activity. The materials thrown out include lava flows, pyroclastic debris, volcanic bombs, ash, dust and gases such as nitrogen compounds, sulphur compounds and minor amounts of chlorine, hydrogen and argon.
Explanation:
here hope it helps
A chemical reaction is shown.
SnO2 + H2 → Sn + H2O
What is true about this chemical reaction?
A.
It is balanced because the mass of the reactants (number of atoms) is equal to the mass of the products (number of atoms).
B.
It is unbalanced because the mass of the reactants (number of atoms) is greater than the mass of the products (number of atoms).
C.
It is unbalanced because the mass of the reactants (number of atoms) is less than the mass of the products (number of atoms).
D.
It is balanced because the number of reactants (number of atoms) is equal to the number of products (number of atoms).
Read the information about an experiment.
Jadon plans on carrying out an experiment involving the burning of steel wool to illustrate the conservation of mass. Steel wool is made of iron. When it is burned it combines with oxygen to form iron(III) oxide.
Which step in his experiment is the most important if he wants his experiment to correctly demonstrate the conservation of mass?
A.
The steel wool should be burned inside of a sealed jar or other closed system.
B.
The steel wool should be burned over a long period of time (at least two hours).
C.
The steel wool should be burned in a room that is at room temperature (20–25°C).
D.
The steel wool should be burned in its entirety sExpected Outcomes – Metals in Hydrochloric Acid
Metal Observations
Copper No reaction even when gently heated
Iron Little initial reaction.
More vigorous reaction when heated.
Positive test for hydrogen gas.
Solution turned from colorless to yellow.
Magnesium Vigorous initial reaction; rapid evolution of gas.
Positive test for hydrogen gas.
All of the magnesium seemed to disappear.
Solution remained colorless.
Zinc Initial reaction produced rapid evolution of gas; less vigorous than magnesium.
All of the zinc seemed to disappear.
Solution remained colorless.
Students in Ms. Brown's Science Lab demonstrated several chemical reactions, by placing the each above chemicals in HCl (hydrochloric acid). Unfortunately, the data did not appear to support the Law of Conservation of Matter in any of the experiments. The recorded Mass of the Reactants did not match the Mass of the Products. Based on the expected outcomes listed in the table above, what might be a reason that their demonstrations were not successful?
A.
They only used metals
B.
They perfomed the experiment in a closed system
C.
The experiment was not performed in a closed system
D.
They didn't use enough HCl that no iron is left in its original state.
Answers
Answer:
1) A chemical reaction is shown.
SnO2 + H2 → Sn + H2O
What is true about this chemical reaction?
B.
It is unbalanced because the mass of the reactants (number of atoms) is greater than the mass of the products (number of atoms).
2) Read the information about an experiment.
Jadon plans on carrying out an experiment involving the burning of steel wool to illustrate the conservation of mass. Steel wool is made of iron. When it is burned it combines with oxygen to form iron(III) oxide.
Which step in his experiment is the most important if he wants his experiment to correctly demonstrate the conservation of mass?
A.
The steel wool should be burned inside of a sealed jar or other closed system.
Explanation:
The explanation to number 1 is that I selected it in my test and got it.
The explanation the number 2 is from the link below:
https://quizizz.com/admin/quiz/5dee60258f1145001bc02ed5/physical-science-2nd-9-weeks-practice-test-2020
The true statement about the given chemical reaction is-It is balanced because the mass of the reactants (number of atoms) is equal to the mass of the products (number of atoms). Therefore, the correct options for all the problems are 1-A, 2-A and 3-D.
What is a balanced equation?A balanced equation refers to an equation where the number of atoms of each element is the same on both sides of the equation. The given equation is balanced because the number of Sn atoms and the number of H atoms on the reactant side are equal to the number of Sn atoms and the number of H atoms on the product side.
1. The steel wool should be burned inside a sealed jar or other closed system is the most important step if he wants his experiment to correctly demonstrate the conservation of mass.
2. They didn't use enough HCl that no iron is left in its original state might be a reason that their demonstrations were not successful.
Therefore, the correct options are 1-A, 2-A and 3-D.
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What will happen if Switch 3 is closed and the other switches are left open?
A Only Buzzer 1 will work.
B None of the lights or buzzers will work.
C Only Buzzer 1 and Light 3 will work.
D
Only Light 1 and Light 2 will work.
Answers
Explanation:
only light 1 and light 2 will work
9. In DNA Thymine (T) bonds witha.Guanine (G) b.Thymine (T) c.Adenine (A) d.Cytosine (C)
Answers
Thymine bonds with adenine and cytosine bonds with guanine. This is called as complimentary base pairing. Each nucleotide base will bond with a specific partner base. It will produce a bond of 2 strands that will spiral around each other forming a double helix shape.
Answer - c - Adenine (A)
Answer:
2 / 2
In DNA, Thymine (T) bonds with Adenine (A). The correct answer is c. Adenine (A).
Genes are responsible for:
A.
all preferences of an organism.
B.
no traits of an organism.
C.
all traits of an organism.
D.
all inherited traits of an organism.
PLEASE HELP
Answers
Answer:
C. All traits of an organism
reaaallly need help!!
Answers
2. All of those molecules are enter cellular respiration pathway.
Which gravitational force field diagram is drawn correctly? A. B. C. D.
Answers
Answer: B.
Explanation:
If you are asking about the question on edmentum, with diagrams of the way gravitational force fields are on the moon, then the answer is B.
the one with the arrows pointing all towards the middle of the moon
Which of the following is NOT an example of a biological model? (all answers choices 2nd slide)
Answers
Answer:
pictures of different ecosystems
Explanation:
i got it right
What is climate?
A.
rapidly changing and predictable patterns of temperature and precipitation worldwide
B.
long-term weather patterns in a specific location over many years
C.
short-term changes in atmospheric conditions in a specific location
D.
None of the above
Answers
Answer:
Climate is the long-term pattern of weather in a particular area. Weather can change from hour-to-hour, day-to-day, month-to-month or even year-to-year. A region's weather patterns, usually tracked for at least 30 years, are considered its climate
Explanation:
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