The ribosome is important for catalyzing the formation of peptide bonds. which of the following statements is true? (a) the number of rrna molecules that make up a ribosome greatly exceeds the number of protein molecules found in the ribosome. (b) the large subunit of the ribosome is important for binding to the mrna. (c) the catalytic site for peptide bond formation is formed primarily from an rrna. (d) once the large and small subunits of the ribosome assemble, they will not separate from each other until degraded by the proteasome.

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?

Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and descendants and depicting the relationships in a cladogram. which of the following best describes a challenge in classifying organisms this way? a. there are millions of species on earth, and a cladogram is not a practical means for classifying all of them. b. it is impossible to tell which organisms are most closely related to each other using a cladogram. c. cladograms are detail-oriented and do not provide a useful understanding of evolutionary relationships. d. there is a limited number of ways to organize the information, so most cladograms end up looking very similar.

The many stone tools, fragmentary animal bones, and teeth found at gran dolina, spain, indicate that hominids there? a. processed and consumed animals and other hominids. b. did not differ appreciably from earlier asian homo erectus. c. were similar to later homo sapiens. d. none of the above