The nutrient that is essential for survival and accounts for 60-75% of body weight is:

A. protein.

B. calcium.

C. water.

D. fat.

Which of the following cell organelles are responsible for making proteins?

Which phrase describes a population? an area characterized by a group of plants and animals a nonliving factor in an organism's environment all the organisms that interact in a lake all the gray squirrels that live in a forest

Describe the cloning process of Dolly the sheep.

I need to know two structures that allow arthropods to breathe air?

What are the pros and cons of having an endoskeleton?

What is the energy of a photon first used to do in photosynthesis?

Select the correct statement regarding chemical synapses. A) Cells with gap junctions use chemical synapses. B) The release of neurotransmitter molecules gives cells the property of being electrically coupled.

How can speciation of plants benefit humans

Is cellulose a fat, carbohydrate or protien

I mineral must be formed by a manufactured process to be considered a mineral. T or F