If you had a friend who was unable to see color, you would expect that your friend's eyes had defective
A. cone cells.
B. rod cells.
C. cornea.
D. iris.
E. optic nerve.
A. cone cells.
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What pigments are present in the samples derived from individuals that are homozygous recessive for shell color?
a. Red and grey b. Yellow and grey c. Red and yellow d. Red, yellow, and grey
Under which of the following circumstances would a DNA microarray be useful?
A. It would enable a researcher to determine the differences in gene expression between cell types. B. It would enable doctors to determine which genes are responsible for producing diseased tissue in an individual. C. Researchers are trying to determine if an individual has inherited a genetic disease from their parents. D. All of these are circumstances in which a DNA microarray would be useful. E. None of these are circumstances in which a DNA microarray would be useful.
To determine the isoelectric point of a protein, first establish that a gel:
A) contains a denaturing detergent that can distribute uniform negative charges over the protein's surface. B) exhibits a stable pH gradient when ampholytes become distributed in an electric field. C) is washed with an antibody specific to the protein of interest. D) neutralizes all ionic groups on a protein by titrating them with strong bases. E) relates the unknown protein to a series of protein markers with known molecular weights
Discovery-based science and hypothesis testing are the two major scientific approaches that help us understand biology.
Answer the following statement true (T) or false (F)