Although the FOXP2 amino acid sequence is highly conserved, humans have _____ amino acids that chimpanzees don't have. Moreover, individuals with mutations in this gene often have difficulty with _____
A. 2; speech and language
B. 4; sight and speech
C. 2; sight and speech
D. 4; speech and fine motor control of the
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E. 2; speech and fine motor control of the
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A
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How can an amino acid sequence be used to design a gene-specific hybridization probe?
A) A portion of a polypeptide chain can be synthesized based on the amino acid sequence of the full protein. B) A protein can be purified, it can be digested with proteases that cleave it at specific sites, and one of the peptide fragments can be used as a probe. C) All possible nucleotide sequences that could encode a portion of the polypeptide can be synthesized and used as probes.
If you wanted to test if antibacterial soap worked better than regular soap, which experiment below has the strongest experimental design?
A. Have two groups of people wash with either antibacterial or regular soap, without knowing which type of soap they are using. B. Have two groups of people wash with either antibacterial or regular soap. C. Have people wash with antibacterial soap first and later with regular soap. D. Have two groups of people wash with either antibacterial or regular soap, with neither the researchers nor the groups knowing which type of soap they are using.
HIV uses which of the following processes to synthesize a DNA strand using its RNA genome as a template?
a) conjugation b) reverse translation c) reverse transcription d) transcription e) translation
A fat-soluble vitamin that aids in blood clotting is ____.
A. vitamin C B. thiamin C. riboflavin D. vitamin K E. folic acid