What sort of phage is bacteriophage lambda considered to be?

a. a virulent phage
b. a plant phage
c. an animal phage
d. a temperate phage


Ans: d. a temperate phage

Biology & Microbiology

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Which of the following organisms are not classified as consumers?

a. Humans b. Trees c. Fungi d. Worms e. Parasites

Biology & Microbiology

It’s Mystery Mollusk Monday, and you’ve been given a bucket full of animals that resemble aquatic worms. Your mystery mollusks don’t have shells, tentacles, eyes, or a foot, but they do have a radula. How do you classify these animals?

a. Monoplacophora b. Solenogastres c. Caudofoveata d. Scaphopoda

Biology & Microbiology

All of the following characterize activity at the nicotinic receptor EXCEPT

a. the channel opens rapidly and depolarization occurs. b. sodium and/or calcium ions enter the next cell. c. prolonged stimulation of receptors can lead to desensitization. d. nicotine receptors in the muscles are more sensitive than those in the CNS.

Biology & Microbiology

Which of the following factors is LEAST likely to attract pollinators to a flower?

A. the amount of nectar B. color of the flower in visible light C. taste of the ovules D. odor E. color of the flower in UV light

Biology & Microbiology