Animals that possess homologous structures probably __________.

Fill in the blank(s) with the appropriate word(s).


Answer: shared a common ancestor

Biology & Microbiology

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Amino acids are carried to ribosomes by____ RNA

a. template b. messenger c. transfer d. ribosomal e. retriever

Biology & Microbiology

Which of the following is NOT used by bacteria for attachment to a host?

a. M protein b. Ligands c. Fimbriae d. Capsules e. A-B toxin

Biology & Microbiology

A reaction with a ?G  > 0 is endergonic and requires a net input of energy to proceed.

Answer the following statement true (T) or false (F)

Biology & Microbiology

Who discovered that DNA was the genetic material or transforming factor that could convert nonvirulent R-type Streptococcus pneumoniae bacterium to the virulent S-type?

A. Hershey and Chase B. Weismann and Nageli C. Avery, MacLeod, and McCarty D. Watson, Crick, Wilkins, and Franklin E. Griffith

Biology & Microbiology