Animals that possess homologous structures probably __________.
Fill in the blank(s) with the appropriate word(s).
Answer: shared a common ancestor
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Amino acids are carried to ribosomes by____ RNA
a. template b. messenger c. transfer d. ribosomal e. retriever
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
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)
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