Which statement about amino acids is false?
A) A polypeptide is made up of several amino acids attached by peptide bonds.
B) Amino acids are linked by peptide bonds that form between two amino groups.
C) The C terminus of a polypeptide chain contains a free carboxylic acid group.
D) Each type of amino acid has a unique R group.
B) Amino acids are linked by peptide bonds that form between two amino groups.
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Viruses come in several shapes. All of the following are shapes of viruses EXCEPT:
A. head and tail. B. triangular. C. icosahedral. D. helical. E. spiral.
What kind of promoter is being used in this experiment?
A. Eukaryotic B. Prokaryotic C. Cannot tell from the information given D. Neither eukaryotic nor prokaryotic Bloom's Level:
Sponges and brittle stars are members of the:a
nekton. b. phytoplankton. c. zooplankton. d. benthos. e. profundal zone.
The experiment of Francesco Redi (1626–1697) illustrated in the figure above addressed the question of whether flies spontaneously generated from meat carcasses. Choose the correct matching of experimental set up and result
a. Meat in jars with an open lid developed maggots. b. Meat in lidded jars did not develop maggots. c. Meat left in jars with mesh covered lids developed maggots. d. B and C, but not A.