QUESTION 10
Which three components are common to the circulatory systems of most living animals?
arteries, veins, capillaries
vessels, heart, circulating fluid
aorta, ventricles, atria
blood, heart, cavities

The two ways in which mutations are formed include:

error in DNA replication during cell division

exposure to an environmental factor that damages the DNA

Examples of environmental factors that damage the DNA and cause mutations are chemicals, radioactive substances or radiation such as UV light, X-rays, and gamma rays.

What is mutation?

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The advantages of the low-power objective over the oil immersion objective for viewing fungi or algae are wider field of view and longer working distance.

- The low-power objective has a wider field of view, allowing you to see a larger area of the specimen. This is useful when observing larger structures or colonies of fungi or algae.
- The low-power objective has a longer working distance, meaning there is more space between the objective lens and the specimen. This is beneficial when studying thicker samples, as it reduces the risk of damaging the specimen or lens.
- The low-power objective does not require the use of immersion oil, which can be messy and time-consuming to apply. This makes it more convenient and efficient to use when studying fungi or algae.

To summarize, the low-power objective offers a wider field of view, and a longer working distance, and eliminates the need for immersion oil, making it a preferred choice for viewing fungi or algae.

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Answer:

C

I think buffers prevents small amounts of acids and blood from coming and changing the pH of the body, because the buffers are barriers that do not let blood and acid pass through.

Hope it helps!

Buffers basically prevent tiny amounts of whether acid or base from changing the pH of blood. The correct option is C.

A buffer is a solution that can withstand changes in pH caused by the inclusion of acidic or basic constituents.

It can subdue minimal quantities of added acid or base, allowing the pH of the solution to remain reasonably constant.

Buffers sustain a modest pH by disarming any additional acid or base, trying to make them a weaker acid or base.

Consider a buffer composed of the weak base ammonia, NH3, and its conjugate acid, NH4+.

Our body's three key buffer systems are the carbonic acid bicarbonate buffer system, the phosphate buffer system, and the protein buffer system.

Thus, the correct option is C.

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they have approximately the same genetic material and it changes slightly over great periods of time

The example of anatomical feature found in all primates is as follows: a bony, or enclosed eye socket (option E).

Primates are mammals of the order Primates, including simians and prosimians. This includes lemurs, lorises, monkeys, apes, and man.

Some features that distinguishes primates are as follows:

According to this question, option E is the correct feature that is possessed by all primates.

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the correct option is A. Cell-mediated and Humoral

Cell-mediated immunity is given by T lymphocytes, and humoral-mediated immunity is given by B lymphocytes.

Answer:

When heat is added to a substance, the molecules and atoms vibrate faster. As atoms vibrate faster, the space between atoms increases. The motion and spacing of the particles determines the state of matter of the substance. ... When heat leaves all substances, the molecules vibrate slower.

The absorption of energy impact on the speed of the particles should be explained below.

In the case when the heat should be added to the substance so here the molecules and the atoms should be vibrate faster. Since the vibration of the atom should be faster so the space that arise between atoms should be increased. It measures the state of matter of the substance. However, when the heat left all kind of substance so the molecule vibrate the slower.

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The process of cell transport that would be relatively unaffected if a cell no longer had access to glucose is the transport of calcium into a muscle cell via facilitated diffusion. Thus, the correct option is A.

Cellular respiration may be defined as the chemical process through which the breaking down of food occurs with the liberation of energy. This process takes place in the excess of oxygen and constructs energy from carbohydrates (sugars).

The excess glucose delivers the required energy for the cell to perform its metabolic activities. But when the amount of glucose is not significantly present in the cell, the process of transport of calcium into a muscle cell via facilitated diffusion remains unaffected.

This is because the transport of calcium occurs due to paracellular passive transport without the utilization of energy. While the rest of the process requires energy for the transport.

And due to a lack of glucose, cells do not have the ability to derive energy in form of ATP.

Therefore, the process of cell transport that would be relatively unaffected if a cell no longer had access to glucose is the transport of calcium into a muscle cell via facilitated diffusion. Thus, the correct option is A.

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Answer:D

Explanation: If it were A it would have to be C and vice versa so definitly D

Answer: A. Algae are killed by solvents that have run off into a pond.

Explanation: I just took the test

Answer:

i believe its

✓A

✓D

Explanation:

Answer:

A

Explanation:

people typically come down with malaria after getting bitten by a female Anopheles mosquito

Pros of a single-called organism is they are much simpler structures than a multicellular organism. Cons they do not live as long as multicellular organisms because there is only one cell to complete all life functions.

One of the advantages of a single-called organism when compared to a multicellular organism is they are much simpler structures than a multicellular organism.

Disadvantage includes they do not live as long as multicellular organisms because there is only one cell to complete all life functions. Usually need to live in water or moisture because they can dry out quickly. They must also have a food-rich environment.

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Answer:  Nutrient Deficiencies

Explanation : Overcrowded plants must compete with each other for soil nutrients, which can result in increased fertilizer needs. Soil contains a finite amount of nitrogen and other necessary plant nutrients. The more plants there are in a small space, the more quickly these nutrients are used up.

Answer:

14

Explanation:

mark as BRAINLIST answer

Answer:

central nervous system

Explanation:

The central nervous system consists of the brain and spinal cord. The brain plays a central role in the control of most bodily functions, including awareness, movements, sensations, thoughts, speech, and memory.

hope it helps!

Answer:

Biogechemical cycles

Explanation:

Crops are genetically modified in other to resist pesticides, hence option B is the correct answer.

Pesticides are compounds used to control pests. Herbicide, insecticide, nematicide, molluscicide, piscicide, avicide, rodenticide, bactericide, insect repellent, animal repellent, microbicide, fungicide, and lampricide are all examples of pesticides.

Furthermore, insecticides are poisonous to insects and other arthropods. Miticides (also known as acaricides) are chemicals that kill mites that feed on plants and animals. Microorganisms that kill, suppress or out-compete pests such as insects or other microorganism pests are referred to as microbial pesticides.

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Answer:

Lacks an well defined nucleus

Explanation:

Answer:

Answer:

Lacks an well defined nucleus

Explanation:

Explanation:

Answer:

Earth and Mars because NASA scientists have found Similarities between the two and think it is possibly habitable.

Ex: Water was found on Mars

Answer:

Venus and Mars

Explanation:

Active transport is the process of moving molecules across a cellular membrane through the use of cellular energy.

Sometimes molecules need the help of special transport proteins to move across the cell membrane. When energy is needed, the movement is known as active transport. Diffusion is one principal method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.

Active transport moves molecules against their concentration gradient, from an area of low concentration to an area of high concentration. Active transport is used by cells to accumulate needed molecules such as glucose and amino acids. Active transport powered by adenosine triphosphate (ATP) is known as primary active transport.

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Answer:

marsh

Explanation:

the reason is it cuts off if a river and it becomes marsh

Option c is correct: nose, pharynx, trachea, bronchus, bronchiole, alveolus.

Air enters the respiratory system through the nose or mouth and travels to the lungs via a pathway. The air in the nostrils is warmed and moistened. Cilia (SIL-ee-uh) are tiny hairs in the nose that filter out dust and other particles.

The nasal cavity and mouth connect at the pharynx, which is located in the back of the throat (FAR-inks). Because it transports both air and food, the pharynx is a part of two body systems (the respiratory system and the digestive system).

Two pipes split off at the bottom of the pharynx, one for air and one for food. The larynx is an air-only pipe. It's also known as the voice box because it houses a pair of vocal cords, which vibrate to produce sounds when you speak. (The other pipe, known as the esophagus, is the pathway that transports food to the stomach.) The epiglottis (eh-pih-GLAH-tus) is a small flap of tissue that protects the larynx. When we swallow, the epiglottis protects the larynx from food and liquid entering the lungs.

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Elephants walk on their toes, distributing their body weight equally over the fatty/connective tissue near the heel,  tilted foot shape. Thus, option D is correct.

Elephant feet have an inclined bone and a thick pad of fat and connective tissue near the heel.

Elephants walk on their toes, distributing their body weight equally over the fatty/connective tissue near the heel to the tilted foot shape having. The highest structural level in the elephant body.

For instance, a 2.88 m tall, 4,167 kg adult male Asian elephant distributes just 3.8 kg (8.38 lb) of weight per square inch on its heels.

Elephants can move safely over uneven terrain and muddy ground thanks to their unusual foot anatomy.

Therefore, the foot​ represents the highest structural level in the elephant body.

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Genetic engineering, often known as genetic modification, is a technique that modifies an organism's DNA through the use of technology developed in laboratories.

In the field of medicine, bacteria that can produce human growth hormone, human insulin, alpha interferon, a hepatitis B vaccine, and other medically beneficial chemicals have been developed using recombinant DNA technology.

Agriculture has previously made substantial use of genetic engineering to improve organisms, particularly in the form of genetically modified (GM) crops (also known as GMO —genetically modified organisms). For instance, crops and livestock have been genetically altered to be resistant to pesticides and herbicides, allowing farmers to use such substances to manage weeds and insects on those crops without running the risk of causing plant damage.  

The variances are largely used in forensic applications of DNA typing to personal identification. Advances in molecular genetics have made it possible to analyze the person-to-person variations in sections of DNA that are not involved in coding for proteins.

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Carbon monoxide: B) Burning gas in a closed area.

Nitrogen oxides: D) Made when it reacts with oxygen.

Particulate matter: A) From roadways, fields, or construction sites.

Sulfur oxides: C) Emissions from oil refineries.

Carbon monoxide: B) Burning gas in a closed area. Carbon monoxide is produced when fuels like gas or wood are burned without sufficient ventilation, such as in a closed room or vehicle.

Nitrogen oxides: D) Made when it reacts with oxygen. Nitrogen oxides are formed when nitrogen in the air combines with oxygen during high-temperature combustion processes, often found in vehicle engines and power plants.

Particulate matter: A) From roadways, fields, or construction sites. Particulate matter refers to small solid or liquid particles released into the air from sources like vehicle exhaust, dust from roads or fields, and construction activities.

Sulfur oxides: C) Emissions from oil refineries. Sulfur oxides are produced by burning fossil fuels containing sulfur, including those used in oil refineries and power plants, resulting in the release of these pollutants into the atmosphere.

The question was incomplete. find The full content below:

Match each pollutant with its source.

Term:

1. Carbon monoxide

2. Nitrogen oxides

3. Particulate matter

4. Sulfur oxides

Definition:

A) From roadways, fields, or construction sites

B) Burning gas in closed area

C) Emissions from oil refineries

D) Made when it reacts to oxygen

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Answer:

Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.

Answer:

the process of the intake of carbon dioxide by plants leaves to prepare food by the help of water and minerals and to ex create oxygen is photosynthesis.

Explanation:

the intake and excreat out a gas is known as respiration.

Answer: I need more information to answer.

Explanation:

Organ in which alcohol absorption occurs: Stomach and small intestine walls Blood stream Elimination of alcohol from the body: Liver

When a person drinks, the body absorbs alcohol, circulates it, and eventually eliminates it. Below are the organs or systems in the body where each of these steps takes place:

The organ in which alcohol absorption occurs: Alcohol is absorbed by the stomach and small intestine walls.

The bloodstream is where alcohol absorption occurs. The blood circulates throughout the body and transports alcohol from the stomach and small intestines to other parts of the body.

When alcohol enters the bloodstream, it is diluted, making it easier for the liver to break it down and eliminate it.

In addition, when alcohol enters the bloodstream, it may be found in all tissues of the body, including the brain, kidneys, lungs, and heart. The elimination of alcohol from the body: The liver is the primary organ responsible for metabolizing, or breaking down, alcohol.

Alcohol is eliminated from the body by the liver. The liver breaks down alcohol using enzymes that convert it to acetaldehyde, which is a toxic substance. The liver then converts acetaldehyde into acetic acid, which is a less toxic substance. Finally, acetic acid is broken down into carbon dioxide and water, which are eliminated from the body through urine and exhalation.

Organ in which alcohol absorption occurs: Stomach and small intestine walls Blood stream Elimination of alcohol from the body: Liver

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