Carbohydrates are made from the process of photosynthesis by green plants by use on energy from sunlight. They have various functions in the ecosystem by plants an animals. The two main function of carbohydrates are; carbohydrates as a source of energy for cellular activities. They are reserves and stored in form of starch in plants and inform of glycogen in animals. They also act as structural components in both plants and animals such as cellulose which is a components of plant cells.
C) matter is changed into various forms but the total quantity remains unchanged.
Answer:
A structure in the cell nucleus that contains DNA, histone protein, and other structural proteins.
Explanation:
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B. An oak tree grows from the seed material in an acorn
