People who have type O blood have both an A antigen and a B antigen.
a. true
b. false
b. false
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Which of the following is NOT true of the
genetic code?
a. It is the same for almost all organisms. b. There are 64 codons. c. It has within it 5 stop codons. d. Most amino acids have more than one codon that codes for it. e. Each codon is made up of three nucleotides
Sterilization involves ________ all viable microorganisms.
A. metabolically inactivating B. killing OR removing C. removing D. killing
Monoclonal antibodies are obtained from
A) human serum. B) animal serum. C) hybridomas. D) human B cells in culture. E) both human and animal serum
In poultry, the genes for rose comb (R) and pea comb (P) produce walnut whenever they occur together (R__ P__); single-combed individuals have the homozygous condition for both genes (rr pp). Give the phenotypic results of a cross of Rr Pp x rr Pp
A. 9/16 walnut, 3/16 rose, 3–16 pea, 1/16 single B. 3/8 walnut, 3/8 pea, 1/8 rose, 1/8 single C. 3/4 walnut, 1/4 rose D. 1/4 walnut, 1/4 rose, 1/4 pea, 1/4 single E. 1/4 walnut, 1/4 rose, 1/4 pea, 1/4 single