You recently identified a novel protein that contains several membrane-spanning domains. You would predict that the amino acids embedded in the membrane would have ________ side groups.

A. polar uncharged
B. positively charged
C. nonpolar
D. negatively charged


Answer: C

Biology & Microbiology

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Cystic fibrosis is caused by mutations in the CF gene, and there are several different mutations that are known to result in CF disease. The CF mutations behave as recessive alleles to the WT CF allele

If two carriers that have different mutations in their CF genes have children what is the probability that one of their children will have CF disease? A. 100% B. 25% C. 50% D. 75%

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Two products of the light-dependent reactions, which become reactants for the light-independent reactions, are 

A. ATP and NADP. B. CO2 and H2O. C. O2 and ATP. D. ATP and NADPH2.

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If a scientist is conducting a study of how a male bird's song and the female bird's response evolved, what type of causation is she exploring?

A. ethnological causation B. fixed action pattern causation C. proximate causation D. ultimate causation E. stereotyped causation

Biology & Microbiology

The most common site where carriers of Staphylococcus aureus carry this pathogen is

A. all over the skin. B. under the fingernails. C. anterior nares (nostrils). D. mouth. E. intestines.

Biology & Microbiology