Which of the following statements about heat is false?
A) It can be a measurement of the inefficiency of an energy conversion.
B) It is a form of kinetic energy.
C) It is a highly organized form of energy.
D) It increases the amount of entropy of the system.
C
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While a prophage genome is integrated into the host cell chromosome, it is
A. latent B. lysogenic C. temperate D. latent and lysogenic E. latent, lysogenic, and temperate
A group of prokaryotic genes that are controlled together is a(n)
A. proteome. B. ribosome. C. replication fork. D. operon. E. chromosome.
For statements 117–121 select the best choice of the four
evolutionary processes listed below. a. mutation b. gene flow c. genetic drift d. natural selection M 117. This is most likely to lead to the loss of genetic variation in a small population. E 118. This process produces new genetic variation within a species. M 119. This process can rapidly offset the effects of genetic isolation when two populations come into secondary contact. M 120. The reduced contribution of one phenotype in comparison to another to the next generation is an example of this. M 121. The occurrence of mimicry is best explained as the ultimate result of this process.
All crocodilians
a. live in or near water. b. are predators with sharp teeth. c. have a four-chambered heart. d. show parental behavior. e. fit all of these descriptions.