Which of the following substances is secreted by an endocrine gland?
a. Tears
b. Breast milk
c. Wax
d. Saliva
e. Hormones
e
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Which type of cell uses cell plate formation to divide the cytoplasm?
a. Animal b. Plant c. Both d. Neither
In the DNA strand above, if the daughter cells
contain the sequence GACTAGTAAACCG after replication, they would be
a. recessives. b. mutants. c. dominants. d. co-dominant. e. twins.
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.
Reference is often made to adapter molecules when describing protein synthesis in that they allow amino acids to associate with nucleic acids. To what class of molecules does this term refer?
What will be an ideal response?