Trisomy of which pair of chromosomes has the greatest chance of survival?
A. pair 8
B. pair 15
C. pair 13
D. pair 3
E. XX
Answer: E
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Answer the following statements true (T) or false (F)
1. Two species that occupy identical realized niches will not be able to co-exist for an extended period of time. 2. Chemical defenses are found only among animals. 3. The mimicry of coral snakes by scarlet king snakes is an example of Batesian mimicry. 4. Fleas are endoparasites.
If nitrifying bacteria were not present in a soil, plants would ____
a. take up nitrogen for their use mainly as NH4+ b. not survive because they could not get useful nitrogen c. take up nitrogen for their use mainly as N2 d. take up nitrogen for their use mainly as NH3 e. take up nitrogen for their use mainly as NO3-
Pyruvate is converted to acetyl CoA through the action of
A) pyruvate decarboxylase. B) pyruvate dehydrogenase complex. C) aconitase. D) citrate synthase. E) pyruvate CoA transferase.
Which statement concerning systems biology is FALSE?
a. It involves the reductionist approach. b. It involves the analysis of large amounts of data. c. It focuses on the functioning of biological systems. d. It focuses on individual components rather than the whole. e. It is also called integrative biology.