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

Biology & Microbiology

You might also like to view...

A painful finger infection attributable to herpes virus is known as a(n)

A. finger sore. B. abrasion lesion. C. furuncle. D. herpetic whitlow.

Biology & Microbiology

When one gene causes multiple effects, the condition is called ________

A) incomplete dominance B) multiple alleles C) codominance D) pleiotropy

Biology & Microbiology

Which of the following organisms would occupy a high trophic level?

a) zooplankton b) rabbit c) spider d) grass e) fungus

Biology & Microbiology

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

Biology & Microbiology