SOS repair ________.

A. is error prone, i.e., produces mutations
B. requires RecA protein
C. is inducible by DNA damage
D. All of the choices are correct.


Answer: D

Biology & Microbiology

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Flatworms can reproduce:

a. asexually. b. sexually. c. by reciprocal copulation. d. all of the above

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Purple flower (A) is dominant over white flower (a), and tall stem (B) is dominant over short stem (b). The Punnett square

represents a cross between two dihybrids (AaBb ? AaBb). In the figure above, what would be the genotype of plant #9?

a. Aabb b. aaBb c. AaBB d. AABB e. aaBB

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A cerebrovascular accident causes damage to the ________

Fill in the blank(s) with correct word

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Which mode of reproduction is utilized by most aquatic invertebrates, fish, and amphibians?

A. Asexual reproduction B. Pathenogenesis C. External fertilization D. Internal fertilization E. Hermaphroditism

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