Cuticle (and/or cork) is found on the surfaces of all of the following except:

A. Leaves
B. Green stems
C. Woody roots
D. Root hairs
E. Woody stems


Answer: D. Root hairs

Biology & Microbiology

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Answer the following statement true (T) or false (F)

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Nematodes are unusual among worms of other major phyla by:

A. having longitudinal muscles but no circular muscles B. having separate male and female individuals C. by shedding their integument D. by having a tough cuticle made largely of collagen E. All of the choices provided are correct

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Before biotechnology, human proteins used in treatment of diseases were

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If you wanted to separate cells of a plant tissue sample into individual cells you would need to disrupt

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Biology & Microbiology