The oldest surviving primate lineage includes the ____, agile climbers that live in the forests of Madagascar
a. lemurs
b. tarsiers
c. gibbons
d. squirrel monkey
e. chimpanzee
a
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Which of the following components of an amino acid differs from one amino acid to another?
A. the -carbon B. the carboxyl group C. the side chain D. the amino group E. the hydrogen opposite the R-group
Which enzyme is involved in proofreading during DNA replication?
A) 5' to 3' exonuclease B) 3' to 5' exonuclease C) 5' to 3' endonuclease D) 3' to 5' endonuclease E) DNA polymerase
What is an argument against the theory that RNA was the first polymer of life?
a. Only limited replication of proteins is possible. b. The transfer of information from RNA to DNA under primordial conditions is difficult. c. The primordial nucleotides could not form a polymer. d. RNA cannot transfer genetic information to xeno-nucleic acids. e. The synthesis of RNA nucleotides under primordial conditions is difficult.
Describe two advantages for cloning a gene from a cDNA library versus a genomic DNA library
What will be an ideal response?