Allof the following evidence supports the RNA world hypothesisexcept:
A. RNA can function as a genome.
B. An RNA component of ribosomes catalyzes the synthesis of proteins.
C. RNA can serve a structural role.
D. RNA stabilizes membranes.
E. RNA regulates gene expression.
D
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A painful finger infection attributable to herpes virus is known as a(n)
A. finger sore. B. abrasion lesion. C. furuncle. D. herpetic whitlow.
When one gene causes multiple effects, the condition is called ________
A) incomplete dominance B) multiple alleles C) codominance D) pleiotropy
Which of the following organisms would occupy a high trophic level?
a) zooplankton b) rabbit c) spider d) grass e) fungus
The ____________ is used for separation of the chromosomes during ____________ of mitosis.
a. cell wall; anaphase b. flagellum; metaphase c. centromere; anaphase d. kinetochore; prophase e. centromere; telophase