Smooth endoplasmic reticulum:.1) Smooth endoplasmic reticulum stores calcium ions in muscle cells. 2) Is the major site of carbohydrate synthesis in eukaryotic cells. 3) Produces proteins for cell membranes. 4) Helps assemble ribosomes for protein synthesis.

Select the correct answer from each drop-down menu. in an experiment, dr. travis examined the effects of calcium intake on osteoporosis, a condition that causes an increased risk of bone fractures. the amount of calcium is variable. the risk of bone fractures .

Monomers are the building blocks of larger molecules, called polymers. for example, proteins are composed of chains of amino acids that are linked together. cellulose is a polymer that makes up plant cell walls. cellulose is made from a chain of c6h10o5 molecules. which monomers are most likely used to produce cellulose? why?

Which of the following human activities resulted in the growth of the north american deer population?