Most of the water moving through a plant is lost through ____

a. osmotic gradients in the soil
b. transpiration
c. translocation
d. photolysis
e. photosynthesis


ANSWER: b

Biology & Microbiology

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Answer the question using the accompanying figure. The structure labeled “B” forms at the ____

a. junctions of A bands and I bands b. H zone c. junctions of A bands and H zones d. M line e. junctions of I bands and M lines

Biology & Microbiology

Why do most replication errors occur?

a. DNA polymerases work very fast and mistakes are inevitable. b. DNA repair mechanisms do not work well. c. DNA replication is a slow and uncommon process. d. The hydrogen bonds between base pairs are weak. e. DNA ligase often binds incorrect sections of DNA.

Biology & Microbiology

Skin color and eye color are examples of

a. traits related to pleiotropic genes. b. single gene traits. c. polygenic traits. d. bigenic traits. e. mutually exclusive traits

Biology & Microbiology

Neurons rely on glial cells for

a. protection. b. metabolic support. c. insulation. d. All of the above

Biology & Microbiology