How many codons can act as termination codons?

A) four B) three C) one D) two


Answer: B

Biology & Microbiology

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In mitosis, if a parent cell has 12

chromosomes, each daughter cell will have how many chromosomes?

a. 48 b. 24 c. 12 d. 6 e. 3

Biology & Microbiology

What key adaptation distinguishes gymnosperms from ferns?

A. Gymnosperms produce pollen and do not require water to reproduce. B. Gymnosperms can produce flowers and fruits to aid in seed dispersal. C. Gymnosperms have a vascular system, which allows them to grow taller. D. Gymnosperms go through alternation of generations. E. Gymnosperms can grow larger gametophytes.

Biology & Microbiology

Describe how the laws of thermodynamics would impact the Earth were the sun’s light suddenly

blocked? What will be an ideal response?

Biology & Microbiology

Much precipitation in the tropical rain forest is derived from:a

evaporation from lakes. b. evaporation from rivers. c. groundwater. d. transpiration. e. translocation.

Biology & Microbiology