Proteins differ from one another because
A) the peptide bonds linking amino acids differ from protein to protein.
B) the sequence of amino acids in the polypeptide chain differs from protein to protein.
C) each protein contains its own unique sequence of sugar molecules.
D) the number of nucleotides found in each protein varies from molecule to molecule.
Answer: B
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You are performing a fruit fly cross similar to those that Morgan performed. Unfortunately, you forgot to write down the parents of your cross
You count the progeny, and find you have 40 red-eyed males, 80 red-eyed females, and 40 white-eyed males. Assuming that all genotypes from this cross should have equal survival rates, what are the genotypes of the parent flies? A. XwY and Xw+Xw+ B. XwY and Xw+Xw C. Xw+Y and Xw+Xw D. Xw+Y and XwXw
A common method for cultivating viruses in the lab is to use in vitro systems called ________ cultures.
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Glutaraldehyde
A. is, if given enough time, able to destroy all forms of microbial life. B. is very good for use on heat-sensitive medical items. C. attacks lipids. D. does not affect non-enveloped viruses. E. is, if given enough time, able to destroy all forms of microbial life AND is very good for use on heat-sensitive medical items.
Since the discovery of the HTT gene, genetic testing for the number of CAG repeats has been developed. However, there are serious ethical questions raised by the prospect of prenatal testing as well as the testing of minors. Develop an argument for why
minors should not be tested for HD unless they demonstrate juvenile HD symptoms. What will be an ideal response?