the regulation of body temperature exclusively from the external environment is referred to as ectothermy. heterothermy. endothermy. homeothermy.

Answer:

Explanation:

energy is used, everything uses energy especially living organisms

Answer:

Yes energy is used, it can be used in certain ways, like when you are running or walking, guess why you are able to do those because you have energy to do that.

Explanation:

Answer:

Bar and lexical.

Explanation:

Bar and lexical are the name of two different types of scales that are found on maps. Bar scales are used more frequently in the maps because they represent or show the distance ratio visually instead of in words, while on the other hand, lexical scales may be expressed in words, as a ratio, or as a fraction. Examples are 1:10,000 or 1/10,000. Using map scales is very important in the real world if you want to find out the distance you are traveling.

The bell jar does not represent the human breathing system well because it lacks several essential features and functions. Here are some reasons:

1. Oxygen intake: The bell jar does not allow for the intake of oxygen. In the human breathing system, oxygen enters the body through the nose or mouth, passes through the pharynx and larynx, and reaches the lungs for gas exchange.
2. Inhalation and exhalation: The bell jar does not demonstrate the process of inhalation and exhalation. In the human breathing system, inhalation involves the diaphragm and intercostal muscles contracting to expand the chest cavity, allowing air to enter the lungs. Exhalation occurs when these muscles relax, causing the chest cavity to decrease in size and expelling air.
3. Gas exchange: The bell jar does not illustrate the exchange of gases that takes place in the alveoli of the lungs. In the human breathing system, oxygen from the inhaled air diffuses into the bloodstream through the thin walls of the alveoli, while carbon dioxide, a waste product, moves from the bloodstream into the alveoli to be exhaled.
4. Waste removal: The bell jar does not account for the removal of waste gases. In the human breathing system, carbon dioxide is eliminated from the body through exhalation, while the bell jar lacks this mechanism.
In summary, the bell jar does not accurately represent the complexity and functionality of the human breathing system. It overlooks vital processes such as oxygen intake, inhalation and exhalation, gas exchange, and waste removal. Therefore, it falls short in providing a comprehensive understanding of the human respiratory system.

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The two vitamins associated with cell differentiation and development are:

Vitamin D: Vitamin D is important for regulating cell differentiation and growth. It plays a significant role in bone health by promoting the differentiation of osteoblasts, the cells responsible for bone formation.

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Answer:

Auxins

Explanation:

Auxin is a plant hormone that has to do with both leaf and fruit fall.

The chemical processes that lead to the release of energy from carbohydrates involve the thiamin vitamin. Water-soluble vitamin B1 known as thiamine is present naturally in several meals.

supplements that are sold and added to food. In order for different cells to grow and operate properly, thiamin vitamin is essential. Since the liver can only hold a little amount, thiamin vitamin-rich foods must be consumed daily.

The empirical formula for a carbohydrate is Cm(H2O)n because it is a biomolecule made up of carbon (C), hydrogen (H), and oxygen (O) atoms, often with a hydrogen-oxygen atom ratio of 2:1 (as in water) (where m may or may not be different from n). Is called carbohydrates

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Answer:

c. sodium-potassium pump

Explanation:

a. osmosis - this is a type at of passive transport. It is diffusion specific to water molecules.

b. diffusion - this is also a type of passive transport. Molecules move from a high concentration to a low concentration down a concentration gradient. This is passive transport and does not require energy.

c. A sodium-potassium pump is a type of active transport, it uses energy to move ions across the membrane. They cannot pass through the membrane because they are charged.

d, facilitated diffusion is a type of passive transport through which substances are transported through proteins in the plasma membrane.

Answer:

Bacteria

Explanation:

They are harmless to humans but murder billions and billions of bacteria everyday! There's also 10^31 bacteriophages on Earth, more than every other organism on Earth, including bacteria, combined so they are pretty abundant killers of bacteria.

Answer: G protein- coupled receptor

Explanation:

Drug target is when a native protein activity in the body is modified by a drug resulting in a desired therapeutic effect.

G protein is an example of target drug that has been deisgned to modified the affect of certain protein in the body to aid treatment.

The first thing is to Identify the biological origin of the disease and then the target that can be used to combat the Ailment.

The proteins are involved in every function inside the body. These include catalysis, transport, signaling, hormones, protection against pathogens, structural components and so forth.

Proteins are the biomolecules present inside the body. These are made by the monomers called amino acids which are the organic substances. The proteins are synthesized in the ribosome present in the cell's cytoplasm through the process called translation. The information of the synthesis of protein comes from the DNA.

Catalysis is the process of increasing the rate of chemical reaction inside the body. This process is accomplished by the help of enzymes which are the biological catalysts made from proteins. The enzymes do so by lowering down the activation energy of the chemical reactions.

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The given question in English language is:

What are the main functions that proteins fulfill in our body?

Answer:

C

Explanation:

Silent mutations occur when the change of a single DNA nucleotide within a protein-coding portion of a gene does not affect the sequence of amino acids that make up the gene's protein

Answer: C!

Explanation:

Ap_x

Muscoskeletal system recognizes that contraction of striated muscles causes skeletal parts move, and in humans the muscles are most often attached across a joint.

The musculoskeletal system is the system of the body that comprises of bones (the skeleton), cartilage, tendons, muscles, ligaments, joints, and other connective tissue that help to give maximum supports and binds tissues and organs together. They help in blood circulation and to generate heat. Its allow body movements and protecting vital organs.

Therefore, Muscoskeletal system recognizes that contraction of striated muscles causes skeletal parts move, and in humans the muscles are most often attached across a joint.

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The variance of X, Var(X), for the hypergeometric distribution, the formula is: 1.67

The 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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Damage involving the reticulospinal tract would be expected to impair walking as well as automatic functions such as breathing and sneezing. So, option D is correct answer.

The reticulospinal tract is a descending motor pathway that originates in the reticular formation of the brainstem and travels down the spinal cord. This tract plays a crucial role in modulating muscle tone, maintaining balance, and coordinating locomotion. Additionally, the reticular formation is responsible for controlling several automatic functions such as breathing and sneezing. Damage to this tract can lead to motor deficits, impaired walking, and disruptions in the regulation of these automatic functions.

The other tracts mentioned, such as the lateral corticospinal, corticospinal, tectospinal, and premotor-striatal tracts, are also involved in various motor functions, but they do not have the same direct impact on automatic functions like breathing and sneezing as the reticulospinal tract does.

Therefore, the correct answer is the reticulospinal tract (option d).

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One reason why the water lily (Nymphaea spp.) lacks a waxy cuticle is because it is adapted to living in an aquatic environment. A waxy cuticle is a layer of cutin, a waterproof, protective coating found on the surface of plant leaves and stems. It helps to prevent water loss through evaporation and protect the plant from dehydration.

However, water lilies are adapted to living in an aquatic environment, where they are constantly surrounded by water. As a result, they do not need to worry about water loss through evaporation and do not have a waxy cuticle to prevent it. Instead, water lilies have evolved other mechanisms, such as thick, succulent leaves and stems, to help them absorb and store water.

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The water lily lacks a waxy cuticle because it is generally present in the water, so it does not have the adaptation to save water, so it does not have the waxy cuticle, while these are the adaptations of the desert plants.

The water lily is significant as it has an important role in aquatic ecosystems because it provides food for a wide variety of aquatic animals, such as insects and fish, while its roots can help stabilize shorelines, prevent erosion, and purify water by removing excess nutrients. Its seeds are of great interest to humans due to their high demands.

Hence, the water lily lacks a waxy cuticle because it is generally present in the water, so it does not have the adaptation to save water, so it does not have the waxy cuticle, while these are the adaptations of the desert plants.

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The ranking considers the relative ionizing power and energy deposition characteristics of each radiation type. Alpha particles, due to their high ionization density and short range, pose the highest risk per unit absorbed dose.

Ranking the different types of radiations in terms of their harmfulness per unit absorbed dose:

1. Alpha (α) particles: Alpha particles have a relatively large mass and charge, making them highly ionizing and more harmful per unit absorbed dose. They deposit a significant amount of energy in a short distance, causing severe damage to tissues and organs.

2. Beta (β) and gamma (γ) radiations: Beta and gamma radiations are less harmful per unit absorbed dose compared to alpha particles. They have lower ionizing power and can penetrate deeper into tissues. While still potentially harmful, their ability to cause damage is generally lower than that of alpha particles.

3. Protons: Protons, despite having a mass and charge similar to alpha particles, are less harmful per unit absorbed dose. They deposit energy over a larger distance, resulting in a lower concentration of energy deposition in tissues. This makes them relatively less damaging compared to alpha particles.

Beta and gamma radiations have lower ionization density and can penetrate tissues more deeply. Protons, while still ionizing, deposit energy over a larger range, reducing their harmfulness per unit absorbed dose.

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RNASE A and RNASE are two different types of ribonucleases, which are enzymes that break down RNA molecules. The main difference between the two is their structure and specificity.

RNase A and RNase are both enzymes found in cells. RNase A is a ribonuclease that specifically cleaves single-stranded RNA molecules into their component nucleotides, while RNase is a non-specific enzyme that can cleave both single-stranded and double-stranded RNA molecules.

The main difference between them is the specificity of their action - RNase A cleaves only single-stranded RNA, while RNase cleaves both single-stranded and double-stranded RNA.

RNASE A is a single-stranded RNA-specific ribonuclease, which means that it only targets single-stranded RNA molecules. It is a relatively small protein with a molecular weight of about 14 kDa, and it is found in the pancreas of many vertebrates. RNASE A is a member of the RNASE A superfamily, which includes several other ribonucleases with similar structures and functions.

RNASE, on the other hand, is a general term that can refer to any type of ribonuclease, regardless of its structure or specificity. There are many different types of RNASEs, including RNASE A, RNASE H, RNASE III, and RNASE P. Each of these RNASEs has a different structure and targets different types of RNA molecules.

In summary, the main difference between RNASE A and RNASE is that RNASE A is a specific type of ribonuclease that targets single-stranded RNA molecules, while RNASE is a general term that can refer to any type of ribonuclease.

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Answer:

The correct answer is - RuBP.

Explanation:

In calvin cycle or C3 cycle there is only one carbon compound present or enter in the cycle is carbon dioxide which is enters through stomata and move into stoma of chloroplast. It is the site of of the C3 cycle.

In calvin cycle energy used to reduce 3-phosphoglyceric acid to produce glyceraldehyde-3 phosphate which result in generation of the RuBP that accepts the CO2 from the air to attached with RuBISCO.

It is a biological process by which living things create offspring that are genetically identical to them. The continuation of many species on Earth is ensured via reproduction.

Reproduction ensures the species' survival and prevents it from going extinct. Due to the genetic recombinations it causes, it contributes to evolution. It contributes to the ecosystem's ability to support more species.

It is generally agreed upon that sexual reproduction is preferable to asexual reproduction. This is due to the fact that in asexual reproduction, a single parent produces an identical offspring by passing on its genetic makeup to the offspring.

As reproduction is not necessary to maintain life, it is not considered to be a living process. An individual organism can survive without reproduction even though reproduction is necessary to preserve an organism's lineage. A trait or quality that all living things share is reproduction.

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Complete question; Which advantage of reproduction does the graph show?Explain.

Plants have three types of tissues:

• Dermal, tissue, which forms the surface of the leaves and stem.

• Vascular, tissue, which includes xylem and phloem

• Ground, tissue, where photosynthesis takes place.

This means B, non-living is the right answer because is NOT a type of plant tissue.

When compared to a control solution, an isotonic solution diffuses water while maintaining a constant concentration of the solute and the cell.

Only when the solution enters the cell and increases its weight, ultimately leading to cell bursting if present, can the solution be said to be hypotonic in comparison to the control solution. This will result in a lower concentration of solutes outside the cell than inside. When conditions in a solution are exactly opposite those in a control solution, a solution is said to be hypertonic. In this case, water from the cell or another solute leaks into the solution, causing the cell to shrink if it is there. In this case, the concentration of solutes outside the cell is consistently higher than the concentration inside the cell.

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Explanation:

Arctic air masses form in the Arctic region and are very cold.

Answer:

20% adenine, 20% thymine, 30% guanine, 30% cytosine

Explanation:

Edwin Chargaff stated in his rule that, in a DNA molecule, the amount of purine bases (Adenine and Guanine) should equate the amount of pyrimidine bases (Cytosine and Thymine). Mathematically, this means that;

A + G + C + T = 100%

Where;

% Adenine base = % Thymine base

% Guanine base = % Cytosine base

Hence, according to this question, the DNA molecule described will contain

20% adenine = 20% thymine,

30% guanine = 30% cytosine

20% A + 20% T + 30% G + 30% C = 100%

Explanation:

proteins are made up of 21 different L-amino acids. these amino acids are joined together with peptide bonds. peptide bond is a bond between a caboxylic group of one amino acid with amino group of other amino acid.

following is a figure to describe the structure of a single amino acid, where R -group is variable and can contribute for the amino acid to be neutral, acidic or basic. next figure gives an idea of how many various amino acids are there.

Answer:

please write the questions I can't tap the picture.

Answer:

See the answer below

Explanation:

The DNA of eukaryotic organisms being present in the nucleus while the protein-synthesizing organelle, the ribosome being present in the cytoplasm poses a spatial problem. It means that transcribed DNAs (messenger RNA) in the nucleus would have to somehow be transported to the ribosome in order for the cell to successfully synthesize proteins.

The problem of transporting the messenger RNA is solved by two features of the cell:

The mRNA binds to the transport proteins to form mRNA-protein complexes and is transported through the nuclear pores, often with the assistance of ATP.

Answer:

Explanation:

Because both parents contribute and the new organism get half of the traits and genes from male and half from the female. Therefore the organism formed is not an exact copy of either of the parents.