Which is a characteristic of a capillary? A. Carries oxygen-rich blood from the heart to all body parts. B. Carries oxygen-poor blood from the body to the heart. C. Is very wide to allow a large volume of blood to flow trough. D. Allows the exchange of substances between body cells and blood

the function of the protein macromolecule is to move things in and out of the cell and transport other molecules in the body. there are many functions of proteins. they are the basic building blocks of living things and are responsible for the growth and repair of body cells and tissues.

explanation:

kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above

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answer; aerobic conditions; citric acid cycle (krebs cycle) electron transport chain;         anaerobic conditions; fermentation; both glycolysis;