all of the following are nutrients that provide energy (kilolcalories) except: carbohydrades, water, fats, protiens

Answers

Answer 1

The nutrients like carbohydrates, fats and proteins provide energy whereas water does not.

Carbohydrates are the macromolecules that are polyhydroxy ketones or aldehydes. They can be of three types: monosaccharides, disaccharides and polysaccharides. The examples of carbohydrates are: glucose, sucrose, starch, etc. They have various functions like structural or in providing energy.

Proteins are the polymers of amino acids. They are the main body-building and repair components. The amino acids are joined together using peptide bonds to form a protein. The proteins have various levels of structure. These are: primary, secondary, tertiary and quaternary. Proteins also have enzymatic functions.

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Related Questions

please explain how a punit square works, I have a major test on it and im confused

Answers

Answer:

Explanation: https://youtu.be/agQpPPQ5IVQ

heres a video explaining

Answer:

The image is attached but it might be hard to understand because it's hard to explain

One letter from each parent are combined to create a genotype of one possible offspring. Example: G (from one parent) + g (from the other parent) = Gg (genotype of offspring)

Capital letters are dominant and lowercase letters are recessive

Dominant traits mask recessive ones so when the genotype of the offspring is Gg, it will be green because green is dominant over yellow

If you need any help with the questions on the test you can post them and i'll help

please explain how a punit square works, I have a major test on it and im confused

Explain how the electron transport chain uses the energy that was originally in glucose to generate ATP

Answers

The energy from glucose is used by the ETC to mediate the transfer of electrons and also the proton transfer across the membrane so that ATP can be generated to be used in various life processes.

ETC is the Electron Transport Chain. It occurs in the inner mitochondrial membrane. The purpose of ETC is to generate more and more ATP. This occurs by the transfer of electrons through a series of transporters which also mediates the proton transfer across the membrane. This generates a gradient and when energy is released from that gradient it is used in the generation of ATP.

ATP is Adenosine Triphosphate. It is the energy form prevalent in most of the living organisms. The hydrolysis of ATP releases energy which is used by an organism.

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Why are deep sea vents thought to be good candidates for the origin of life?

A. Vents release high concentrations of light isotopes, which speeds up enzymatic reactions

B. The iron sulfides in vents may have trapped and protected ancient biomolecules

C. Vents create new seafloor, which makes room for new life

D. Vents produce complex organic molecules that formed in underground magma chambers

Q2. Which of the following is not true about the RNA world hypothesis?

A. Ribosomes are active lipid molecules that catalyze cell formation

B. RNA evolved into DNA and proteins

C. Lipids may have formed a protective environment for RNA to function inside

D. RNA is catalytic and can self-replicate

Answers

Answer:

Question 1

option-a

Question 2-

option a

if there are bacterial clumps visible in a drop of water on a glass slide, will this affect the staining of the bacteria?

Answers

Yes, the presence of bacterial clumps can affect the staining of the bacteria. When staining a bacterial sample, the goal is to obtain an even distribution of the stain across the cells, allowing for clear visualization and identification of individual bacteria.

However, when bacterial clumps are present, the stain may not penetrate all of the cells evenly, leading to uneven staining and difficulty in identifying individual bacteria within the clump. Therefore, it is important to try to disperse bacterial clumps as much as possible before staining to ensure the most accurate and reliable results.
Bacterial clumps visible in a drop of water on a glass slide can indeed affect the staining of bacteria. When staining bacteria, it's essential to have a uniform, single layer of cells on the slide. Clumps can cause uneven staining, making it difficult to accurately identify and observe individual bacterial cells.

To prevent this issue, follow these steps:

1. Obtain a clean glass slide and ensure it is free from contaminants.
2. Prepare a well-distributed bacterial suspension by gently mixing the sample to disperse the clumps.
3. Place a small drop of the well-mixed suspension onto the slide, and gently spread it to create a thin layer of bacteria.
4. Allow the slide to air dry, and then heat-fix the sample to the slide by quickly passing it through a flame.
5. Apply the appropriate staining technique (e.g., Gram staining) to effectively stain the bacteria.

By following these steps, you'll improve the staining quality and enhance the visibility of individual bacterial cells, ensuring accurate identification and analysis.

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Which of the following is NOT a unique property of water?
A. Ice floats on the surface of lake
B. Water covers most of Earth's surface
C. Water cools very rapidly
D. Water causes evaporative cooling

Answers

Answer:

Water covers most of Earth's surface

Explanation:

I chose Water covers most of Earth's surface because this is a fact, NOT a unique property. A property is a thing the item has.

If a diploid cell containing a large number of chromosomes skipped crossing over but completed the other steps of meiotic cell division to produce gametes, what would be the outcome?

Answers

The daughter cells will have paternal or maternal chromosomes.

What is crossing over?

It is a major step in meiotic cell division during which non-sister chromatids exchange chromosomal segments, and as such, the genetic materials in the segments.

The process of crossing over happens at prophase I of meiosis I with the result being daughter cells whose chromosomes have been recombined as well as reconstructed.

Without crossing over, meiosis will end up producing daughter cells with either maternal or paternal chromosomes. The effect is that the number of genetic recombination in the daughter cells has been significantly reduced.

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What does the doctor mean when he or she says the cancer has metastasized?!

Answers

The doctor means that the cancer has spread to other parts of your body.

which is the best course to pursue cardiology or neurology?​

Answers

In my opinion cardiology is the best course because chances of heart attack are increasing day by day. More number of cardiologists are required for the treatment of all types of heart related diseases like heart attack, heart failure, angina etc.

What is Cardiology?

Cardiology is the branch of medicine that deals with the heart and disorders of the cardiovascular system and includes the medical diagnosis and treatment of congenital heart defects, coronary artery disease, heart failure, valvular heart disease, and electrophysiology.

A cardiologist is a medical doctor who studies and treats diseases and conditions of the cardiovascular system such as the heart and blood vessels including heart rhythm disorders, coronary artery disease, heart attacks, heart defects and infections and related disorders.

When to see a cardiologist - If we see a pattern of heart disease including high cholesterol and high blood pressure. Some action should be taken and examined by a cardiologist.

Thus, in my opinion cardiology is the best course because chances of heart attack are increasing day by day. More number of cardiologists are required for the treatment of all types of heart related diseases like heart attack, heart failure, angina etc.

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What is it called when scientists carefully examine a new result by someone else in their field of study?

Answers

Answer:

a peer review

Explanation:

Answer: Peer review.

Explanation: Peer review is the evaluation of work, idea or research via close examination of others that are expert in that field or that are in same competence.

Pls help I need to turn this in today

Pls help I need to turn this in today

Answers

I got printing press as an invention made during the middle ages
the answer is printing press

A student was observing wildlife in their backyard for a school assignment and recorded notes about several oak trees, a group of squirrels, and several different species of birds along with how they all interacted. The level of organization this student has described is

Answers

Answer:

Community

Explanation:

It has two or more species within the same geographical area (Backyard) within the same time period.

What are the parts inside the cell?

Answers

Answer: these are diffent things in a cell

Explanation:

Plasma membrane, channel / pores, cell wall and plasmodesmata, septum and pores, cell capsule, nucleus, DNA, nucleoid, plasmid, endoplasmic reticulum, ribosomes, Golgi complex, mitochondrion, chloroplast only found in plants, vesicles, peroxisomes, lysosomes, vacuole, microtubule, microtubules, cytoskeleton, cytoplasm, bacterial pili, and flagellum

How are the health impacts of surface mining different from those of underground mining?

1. higher risk of mine collapse in surface mining

2. higher risk of lung disease in surface mining

3. Lower risk of hearing loss and surface my mining

4. Lower risk of minor injuries and service my mining

Answers

Answer:

4. Lower risk of minor injuries and service my mining

Explanation:

There is lower risk of minor injuries in surface mining because in surface mining the mine workers work in the open air as compared to underground mining. In underground mining there is a high risk of mine collapse which results in the death of the mine workers. There is risk of injuries in surface mining such as hearing loss because of high noise of the mining machines.

The impact on health of surface should be option  4. Lower risk of minor injuries and service my mining

Impact on health:

There should be less risk of minor injuries in surface mining since in the case of surface mining the mineworkers work in the open air than underground mining. Since in underground mining there is a high risk of a mine collapse that leads in the death of the mineworkers.

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3. what is the area just superior to where the medulla joins the spinal cord where motor tracts cross?

Answers

The area just superior to where the medulla joins the spinal cord where motor tracts cross is your pons.

The medulla is the lowest part of the brain and connects to the spinal cord through the foramen magnum, an opening in the lower part of the skull. Just above the medulla is the pons, just below the central structures of the brain.

The medulla oblongata is at the base of the brain where the brainstem connects the brain and spinal cord. It plays an important role in transmitting messages between the spinal cord and the brain. It is also important for regulating the cardiovascular and respiratory systems. There is an anterior median fissure along the midline on the ventral surface of the medulla oblongata.

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which of these descriptions best matches the term myenteric plexus

Answers

The myenteric plexus is a network of nerve fibers and ganglia located between the muscle layers of the gastrointestinal tract. It regulates gastrointestinal motility and coordinates peristalsis, the movement of food through the digestive system.

The myenteric plexus, also known as Auerbach's plexus, is a network of nerve fibers and ganglia located between the circular and longitudinal muscle layers of the muscularis externa in the gastrointestinal tract. It is part of the enteric nervous system, which controls the functions of the digestive system.

The myenteric plexus plays a crucial role in regulating gastrointestinal motility, including the contraction and relaxation of the smooth muscles in the digestive tract. It coordinates peristalsis, the wave-like movement that propels food through the digestive system.

Dysfunction of the myenteric plexus can lead to gastrointestinal disorders such as irritable bowel syndrome and intestinal pseudo-obstruction.

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The myenteric plexus is a term used to describe a specific part of the enteric nervous system, which is the network of nerves found in the walls of the gastrointestinal tract. It is also known as the Auerbach's plexus.

The myenteric plexus is primarily responsible for controlling the motility of the gastrointestinal tract. It is located between the longitudinal and circular muscle layers of the muscularis externa, which is the muscle layer responsible for the movement of food along the digestive system.

The myenteric plexus consists of a complex network of nerve fibers, ganglia (clusters of nerve cell bodies), and interconnecting neurons. It receives information from sensory neurons located in the gut, processes that information, and then sends signals to regulate the contractions of the smooth muscles in the gastrointestinal tract. These contractions are essential for moving food through the digestive system during processes like peristalsis.

In summary, the myenteric plexus is a crucial component of the enteric nervous system, located between the muscle layers of the gastrointestinal tract. Its main function is to regulate and coordinate the movements of the digestive system, ensuring the proper propulsion and mixing of food along the digestive tract.

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do elements form chemical compounds to become more or less stable

Answers

More stable…. Chemical bonding occurs mainly because atoms of an element become more stable by loosing, gaining, and sharing of electrons.


Please help me with these science questions about ecology!

Circle the letter of the choice that best completes the statement or answers the question.
11. Energy that is lost at each trophic level of an ecosystern is replenished by
a. heat.
b. nutrients.
sunlight
c. sunlight
d. organisms.
12. Besides energy, what moves through the organisms at each trophic level of an ecosystem?
a. organisms
b. nutrients
c sunlight
d. cycles
13. Evaporation and condensation a part of the
a. carbon cycle.
b. nitrogen cycle.
c phosphorus cycle.
d. water cycle.
14. Plants lose water to the air through
a. condensation
b. photosynthesis.
c. Their roots.
d. evaporation
15. Animals lose water when they
a. breathe in
b. urinate.
c breathe out
d. both b and c.
16. The major process by which water in the atmosphere is returned to the earth is
a. precipitation
b. evaporation
c. photosynthesis.
d. decomposition.
17. Autotrophs and heterotrophs use carbon-containing molecules for energy and for
a photosynthesis.
b. growth.
c decomposition
d. both a and b.
18. What do plants use in photosynthesis to make carbon-containing molecules?
a carbon dioxide
b. carbohydrates
c. fertilizer
d. oxygen
19. Heterotrophs get carbon-containing molecules by
a. making the molecules themselves.
b. feeding on other organisms.
c decaying.
d. growing.
20. When decomposers break down the carbon-containing molecules in dead organisms,
a. the dead organisms are converted to coal.
b. oxygen is released.
c carbon dioxide is released.
d. carbon dioxide is converted to energy-rich
carbon-containing molecules.

Please help me with these science questions about ecology!Circle the letter of the choice that best completes

Answers

Answer:

11 is A. 12 B. 13 A. 14.D 15. C 16. D

Organisms that eat plants are called ____________ or ____________.

Answers

Answer:

herbivores or omnivores

Before mitosis can take place, what must occur?

Answers

Answer:

Before mitosis, the chromosomes are copied. They then coil up, and each chromosome looks like a letter X in the nucleus of the cell. The chromosomes now consist of two sister chromatids. Mitosis separates these chromatids, so that each new cell has a copy of every chromosome.

Answer:

Interphase

Explanation:

I'm currently learning about this as well, haha! In my notes, I have:

The cell cycle begins with stage G1, which is a part of interphase.

which should be your answer!

have a lovely day <3

Analysis: Answer these questions based on the data collected in the lab. 1. What is Xavier's blood type? What antigens are present on the surface of the red blood cells? What antibodies are in Xavier's blood plasma? ​

Answers

(True or False) The process of DNA replication results in a copy of the original DNA molecule.

Answers

Answer:

True

Explanation:

It does result in a copy of the original molecule

Answer is Ture because DNA replication results in a copy

Jackal
Lion
Goat
Wildcat
Eagle
Which organism
would be found at
a trophic level with
the least amount of
energy and
biomass?
Rabbit
Owl
Green Plants
and Trees
Snake
Mouse
Lion
Eagle
Jackal
Wildcat

Answers

Answer:

rabbit snake eagle

I hope this helps you

1. What is considered presumptive positive in a drinking water sample? 2. What should you do to confirm it? 3. The final identification process to say that the test is complete requires

Answers

The above question are asked in three sections, for part 1, it refers to presence of preliminary evidence, for 2, to confirm the evidence further testing and analysis are necessary, and for 3, it involves comparing the results with guidelines.

1. In a drinking water sample, a presumptive positive result refers to the presence of indicators or preliminary evidence suggesting the potential presence of specific contaminants or microorganisms. These indicators can include visual changes, such as turbidity or coloration, as well as the presence of certain chemical or biological markers.

2. To confirm a presumptive positive result, further testing and analysis are necessary. This typically involves more specific and sensitive methods to identify and quantify the suspected contaminant or microorganism. For example, if bacterial contamination is suspected, a confirmatory test like the use of selective growth media, biochemical tests, or molecular techniques like polymerase chain reaction (PCR) may be conducted.

3. The final identification process to confirm the test is complete often involves comparing the results obtained from the confirmatory testing to established standards or guidelines. This ensures that the identified contaminant or microorganism meets the specific criteria for its identification and poses a potential risk to human health or the environment. The results are typically interpreted based on pre-established thresholds or limits set by regulatory agencies or scientific consensus to determine the final status of the sample.

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EXERCISE 1. Which blood vessel supplies the heart muscles with oxygen? ​

Answers

Answer:

Coronary arteries is the answer .

Coronary arteries supply blood to the heart muscle. Like all other tissues in the body, the heart muscle needs oxygen-rich blood to function.

Explain how reproduction take place in mustard plant

Answers

Answer:

It is a winter plant that inseminates very quickly at high temperatures.

Explanation:

Mustard is an annual plant. Its root is spindle-shaped, well developed, and the stem is erect, branched, small, 50-90 cm high. The lower leaves are larger with a stalk, and the upper ones are smaller sitting. Mustard blooms in late May and early June.

The fruit ripens in the second half of July. The flowers are yellow, fragrant, very honey-bearing with a lot of pollen powder, and are collected in clustered inflorescences. They are pollinated by insects.

The fruit of the mustard is a cylindrical shell, hairy, 2-5 cm long, and about 5 mm wide. The growing season of mustard is 110-130 days.

: which of the following statements about mhc class ii molecules is (are) true? choose one: a. mhc class ii molecules present intracellular antigens on the surfaces of all nucleated cells. b. mhc class ii molecules present extracellular antigens on the surfaces of all nucleated cells. c. mhc class ii molecules present extracellular antigens on the surfaces of professional antigen-presenting cells. d. mhc class ii molecules are expressed on the surfaces of both nucleated

Answers

True statements regarding MHC class II: MHC class II molecules present extracellular antigens on the surface of professional antigen-presenting cells.

Two types of MHC molecules characterize body cells, namely MHC class I found in all nucleated cells in almost every cell of the body. MHC class II is limited to a few specialized cell types, including macrophages, B cells, activated T cells, and cells that compose the interior of the thymus.

Major Histocompatibility Complex (MHC) class II molecules are important components for the immune response in the process of eliminating viruses. In this process, helper T cells are activated and produce cytokines that stimulate other immune cells.

The true answer is C.

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in non-vertebrate organisms, the glyoxylate cycle is needed to convert: a) triacylglycerols to fatty acids b) activated acetate to carbohydrates c) glyoxylate to atp d) oxaloacetate to malate e) glutamate to alpha-ketoglutarate

Answers

A). In non-vertebrate organisms, the glyoxylate cycle is necessary to convert triacylglycerols into carbohydrates. The glyoxylate cycle is a metabolic pathway that allows certain organisms to convert fatty acids into glucose for energy production.

This cycle occurs in plants, fungi, and bacteria, among other non-vertebrate organisms. The cycle involves the conversion of acetyl-CoA into succinate, which can then be used to generate glucose through gluconeogenesis. This conversion requires the enzymes isocitrate lyase and malate synthase, which are unique to the glyoxylate cycle.

While the glyoxylate cycle is not found in vertebrate organisms, it plays a crucial role in the survival of certain non-vertebrate organisms. This pathway allows these organisms to use stored energy reserves, such as triacylglycerols, to produce glucose, which is necessary for their survival and growth. In summary, the glyoxylate cycle is necessary to convert triacylglycerols into carbohydrates in non-vertebrate organisms. This pathway is crucial for energy production and the survival of these organisms.

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3. When looking at DNA to determine a common ancestor, what characteristic do
scientists look for?
a. The pairing of nitrogen bases.
b. The quantities of nitrogen bases.
c. The bonding of nitrogen bases.
d. The sequence of nitrogen bases

Answers

Answer:

The sequence of nitrogen bases


17. What could be some things that impact increases and decreases of inflow?

Answers

Answer:

based on the the slope

Explanation:

those are based on slope

I'll mark Brainliest but please help me

I'll mark Brainliest but please help me

Answers

Answer:

1)C

2)D

3)C

Tell me if this helped :)

Answer:

1) C

2)D

3.I don't not know.

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