Which of the following features is characteristic of all

life?
a. organization of molecules into cells
b. metabolic control using enzymes
c. a continuous flow of sustaining energy
d. DNA with its hereditary code
e. all of these


Answer: e

Biology & Microbiology

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Bioremediation is:

A. the use of microorganisms to treat open wounds B. the use of microorganisms to break down harmful substances such as sewage, pesticides, petrochemicals, and explosives C. the use of bacteria to attack cancer cells D. the use of microorganisms to attack pathogenic bacteria E. none of the other options presented

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Which of the following is NOT a

monosaccharide?

a. glucose b. fructose c. deoxyribose d. starch e. ribose

Biology & Microbiology

IP3 binds to ________ receptors.

A. sensor kinase B. phospholipase type-I C. ligand-gated Ca2+ channel D. enzyme-linked E. G-protein coupled

Biology & Microbiology

Four of the five choices listed below can help a plant

wall off threats. Select the exception. a. centralized mechanisms b. phenols c. resins d. compartmentalization e. defensive compounds

Biology & Microbiology