Indoleacetic acid (IAA) is the most commonly occurring form of which of the following plant hormones?

A. abscisic acid
B. gibberellin
C. cytokinin
D. auxin
E. ethylene


Answer: D

Biology & Microbiology

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Determining the susceptibility of a microorganism to specific chemotherapeutic agents is an important service performed in the clinical microbiology laboratory.

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

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According to modern phylogeny, based on such data as the arrangement of genes in mitochondrial

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a. trilobites b. myriapods c. crustaceans d. annelids e. chelicerates

Biology & Microbiology

Motility may involve

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A swim bladder is a gas-filled sac that helps fish maintain buoyancy. The evolution of the swim bladder from lungs of an ancestral fish is an example of _____

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Biology & Microbiology