A learned behavior is
A. speaking English.
B. driving.
C. singing.
D. All of these answers are true.
D. All of these answers are true.
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An individual who is attracted to light is exhibiting
(a) negative phototaxis. (b) positive phototaxis. (c) negative thigmotaxis. (d) positive thigmotaxis.
What is the distinctive characteristic of conidial fungi?
a. They are unicellular. b. They have no known sexual phase. c. They have a haploid phase in their life cycle. d. They have a dikaryotic phase in their life cycle.
Which kind of metabolic poison would interfere with the glycolysis stage of cellular respiration?
A) An agent that reacts with FADH2 and oxidizes FAD+ B) An agent that closely mimics the structure of glucose but is not capable of being metabolized and broken down C) An agent that binds to lactate and inactivates it D) An agent that reacts with oxygen and depletes its concentration in the cell E) An agent that inhibits the formation of acetyl CoA
In your observations of a new rotifer species, you note that diploid females can lay diploid eggs that in turn become diploid female adults. What do you conclude about this behavior?
A. This asexual reproduction by way of budding of a new individual from the parent. B. This is sexual reproduction by way of parthenogenesis. C. This is sexual reproduction because sperm must have been stored in the female for later fertilization of her eggs. D. This is sexual reproduction by way of diploid females laying haploid eggs that hatch into haploid males who in turn produce sperm that fertilizes other haploid eggs. E. This is asexual reproduction by way of parthenogenesis.