You have spent time working with a population of beetles. Males range in size from 2-6 cm in length. You realize that the females only mate with males that measure less than 3 cm long
If you measured allele frequencies at a single locus that contributes to overall length,
would you expect this population to be in H-W equilibrium from one generation to the next?
A. yes
B. no
B
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The function of a protein is dependent upon the shape into which the chain of amino acids folds. Many non-covalent interactions are responsible for maintaining the protein's shape. Assume you have isolated a protein from an organism in its proper shape
and you have treated it with an enzyme that selectively targets and breaks only the peptide bonds in the proteins. Would the protein retain its shape under these conditions? A. Yes; once the shape of a protein is formed, the peptide bonds are unnecessary. B. Yes; the non-covalent interactions are stronger than the peptide bonds. C. No; while the non-covalent bonds determine the shape of a protein, the peptide bonds are required to hold the amino acids together. D. Yes; but the shape would be affected to a greater extent by changes in temperature.
chronic constipation can lead to enlarged and inflamed blood vessels of the anus known as
What will be an ideal response?
Scientists evaluating the Cretaceous mass extinction have concluded that
A) an asteroid impact was probably the triggering event for the extinction. B) climate change would not have been involved in producing the extinctions. C) ecological factors such as disease and competition probably caused the dinosaurs to go extinct.
Which of the following is a cell type associated with sexual reproduction in fungi?
A) sporangiospore B) dikaryon C) haustoria D) pneumocyst E) mycorrhiza