Which of the following plant hormones prevents senescence and can initiate leaf growth?

Select one:
a. indoleacetic acid
b. gibberellin
c. cytokinin
d. abscisic acid
e. ethylene


c. cytokinin

Biology & Microbiology

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In sexual reproduction, two __________ fuse to form a __________

a. gametes; zygote b. eggs; embryo c. sperm; zygote d. gonads; embryo

Biology & Microbiology

The breakdown of pyruvate in the Krebs cycle

results in the release of a. energy. b. carbon dioxide. c. oxygen. d. hydrogen. e. all except oxygen.

Biology & Microbiology

The allergen in poison ivy plants is an oil called urushiol.

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

Biology & Microbiology

Which of the following metabolic processes is commonly used to identify bacteria?

A) carbohydrate fermentation B) lipid catabolism C) Krebs cycle products D) lipid synthesis E) pentose phosphate pathway products

Biology & Microbiology