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What is the role of ATP in the cell? (1 point) A.transport energy B.drive photosynthesis C.maintain homeostasis D.initiate cellular respiration What happens during photosynthesis? (1 point) A.Heterotrophs consume ATP. B.Heterotrophs produce ATP. C.Autotrophs consume organic molecules. D.Autotrophs produce organic molecules

Sagot :

Atp is a energy transport
In photosynthesis Autotrophs produce organic matter

1. Answer;

A.transport energy

Explanation;

-ATP is a biological molecule, which is a product of the cellular respiration, it performs many essential roles in the cell. It is the major energy currency of the cell, providing the energy for most of the energy-consuming activities of the cell.

-An ATP molecule releases approximately 30kJ (mol^-1) of energy
.

-Energy from an ATP molecule is released in small quantities to prevent damage to the cell
.

-Energy released is used for metabolism in the cell. Other reactions that require energy from ATP include; active transport/ muscle contraction/ glycolysis.


2. Answer;

D. Autotrophs produce organic molecules

Explanation;

-Most autotrophs use a process called photosynthesis to make their food.

-In photosynthesis, autotrophs use energy from the sun to convert water from the soil and carbon dioxide from the air into a nutrient called glucose. Glucose is a type of sugar. The glucose gives plants energy.

-Light energy is absorbed by chlorophyll, a green pigment found in chloroplasts in some plant cells and algae. Absorbed light energy is used to convert carbon dioxide (from the air) and water (from the soil) into a sugar called glucose. Oxygen is released as a by-product.