Which of the following provides taxonomic information that includes the information obtained in the others listed?
A) nucleic acid hybridization
B) nucleic acid-base composition
C) amino acid sequencing
D) biochemical tests
E) cladogram
E
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Which allele combination represents a heterozygous individual?
A. Aa B. AA C. aa D. None of these represent a heterozygous individual.
Advantages of nucleic acid over protein-based tools to detect pathogens include which of the following?
a. Nucleic acid probes are more specific than antibodies because they detect single nucleotide differences in DNA sequences. b. Nucleic acids are more stable than proteins at high temperature and pH. c. Nucleic acids are more resistant to organic solvents/chemicals than proteins. d. Both a and b are correct.
Cells becoming progressively more specialized in their structure and gene activity is known as:
a. morphogenesis. b. determination. c. differentiation. d. maturation. e. growth.
Four of the five substances listed below are end
products of digestion ready for intestinal absorption. Select the exception. a. glyceride b. nucleotides c. disaccharides d. amino acids e. free fatty acids