Which plant hormone will cause the stomata to close?

a. Ethylene
b. Auxins
c. Cytokinins
d. Abscisic acid
e. Gibberellins


d

Biology & Microbiology

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Produces parenchyma, collenchyma, and sclerenchyma cells. 

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Which of the following does not inhibit protein synthesis?

A. Tetracycline B. Erythromycin C. Streptomycin D. Penicillin E. All of the choices inhibit protein synthesis.

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Why do the Galápagos Islands and the Hawaiian Islands have so many endemic species of flies and birds? Check all that apply.

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In thinking about their role in cell division, oncogenes are like the ________ of a car, while tumor-suppressor genes are like the ________ of a car

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Biology & Microbiology