3. Name a biological process that is an endothermic reaction? I need this rn

Biology

1 answer:

Mrrafil [7]3 years ago

5 0

Answer:

Melting ice cubes. Melting solid salts. Sublimation of dry ice into carbon dioxide gas. Evaporating liquid water.

Explanation:

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Unlike most animals, humans can access water from an aquifer by using

Julli [10]

Answer:

D- well

Explanation:

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During respiration, most ATP is formed as a direct result of the net movement of potassium against a concentration gradient pota

Fantom [35]

Answer:

b. False

Explanation:

All living organisms such as plants and animals require energy to function properly (life activities). Thus, the organelle where energy from nutrients is released is generally referred to as mitochondria. Animals retrieve energy using mitochondria to do cellular respiration because they typically act like a digestive system by taking in nutrients, breaking them down and obtaining energy rich molecules for cell-life activities.

Cellular respiration can be defined as a series of metabolic reactions that typically occur in cells so as to produce energy in the form of adenosine triphosphate (ATP). During cellular respiration, high energy intermediates are created that can then be oxidized to make adenosine triphosphate (ATP). These intermediary products are produced at the glycolysis and citric acid cycle stage.

Basically, mitochondria is one of the cell organelles found in all living organisms and it is known as the powerhouse. Therefore, mitochondria provides all the energy required in the cell by transforming energy forms through series of chemical reactions; breaking down of glucose into Adenosine Triphosphate (ATP) used for providing energy for cellular activities in the body of living organisms.

Hence, during respiration, most ATP is formed as a direct result of the net movement of protons down a concentration gradient but not potassium against a concentration gradient potassium.

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3 years ago

1. 2. 3. 4. What is the Answer?

7nadin3 [17]

Answer:

the answer is 3

Explanation:

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In many humans exposing the skin to sunlight or a prolonged period of time results in the production of more pigment by the skin

natka813 [3]

Answer:

changes in the environment could influence gene expression.

Explanation:

In humans, skin color is defined by the abundance of "melanin" pigment. The darker is skin, high pigmentation is there. Studies have proven that high temperature is the major reason for high pigmentation/darker skin. This is due to the reason that high temperature leads to the increased expression of the specific pigmentation related genes (e.g. MC1R gene). So, if a human is exposed to high temperature for a longer period, the action (expression) of the MC1R gene will be high as well. This will result in a tanned skin color. This is the reason that those humans who live near to the equator (warmer climate) have darker skin whereas those humans that live close to poles (cold climate) have light-colored skin.

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Corals obtain energy from tiny photosynthetic algae, called zooxanthellae, which live inside the coral's tissue. how do you thin

olga_2 [115]

Cloudy and muddy water will interfere with the penetration of light to particular depth in water where coral are found. The algae in the symbiotic relationship with the sponges will be unable to photosynthesize. This way, the sponges will lose the algae and become ‘bleached’.

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