Which of these hormones causes cell elongation, promotes apical dominance, and stimulates root branching?

A) Gibberellin B) Cytokinin C) Abscisic acid D) Ethylene E) Auxin


E

Biology & Microbiology

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What allows mammals to process a wider variety of foods than other vertebrates?

a. They have two types of teeth. b. They have four types of teeth. c. They have jaws. d. They have larger mouths. e. They have sharper teeth.

Biology & Microbiology

Which type of DNA library (genomic or cDNA) would include introns and promoters?

What will be an ideal response?

Biology & Microbiology

The transcript in Figure 13-3 is labeled:


a. A.
b. B.
c. C.
d. D.
e. E.

Biology & Microbiology

Which nitrogenous waste product would be least toxic to an embryo developing in the aqueous

environment found inside a shelled egg? a. ammonia b. urea c. uric acid d. amino acids e. purines

Biology & Microbiology