List the three steps of elongation in order
What will be an ideal response?
Codon recognition, peptide bond, formation, and translocation
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Most bacterial and archaeal cells divide by
A. binary fission. B. meiosis. C. mitosis. D. All of the choices are correct.
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.
Reduction means
A. the gain of electrons by a molecule. B. the loss of oxygen from a cell. C. the gain of oxygen by a cell. D. the gain of oxygen and an electron. E. the loss of electrons by a molecule.
Homologous structures are
A. structures of animals that have different appearances and functions but seem to have evolved from the same body part in a common ancestor. B. structures of animals that have the same appearances and functions but obviously no common ancestor. C. structures of animals that have different appearances and functions but different ancestors. D. structures of animals that appear to have evolved from different parts of their bodies.