How does the central dogma describe the flow of information of gene expression?
a. as RNA DNA protein
b. as protein RNA DNA
c. as DNA RNA protein
d. as protein DNA RNA
Ans: c. as DNA RNA protein
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The R-group, or side chain, of the amino acid serine is -CH2-OH. The R-group, or side chain, of the amino acid leucine is -CH2-CH-(CH3)2. Where would you expect to find these amino acids in a globular protein in aqueous solution?
A) Serine would be in the interior, and leucine would be on the exterior of the globular protein. B) Leucine would be in the interior, and serine would be on the exterior of the globular protein. C) Serine and leucine would both be in the interior of the globular protein. D) Serine and leucine would both be on the exterior of the globular protein.
Purines and pyrimidines refer to the ________ of the DNA molecules.
A) nitrogenous bases B) sugar-phosphate backbone C) hydrogen bonds D) nucleus E) histones
Mendel’s theory of independent assortment states
that a. one allele is always dominant to another. b. hereditary units from the male and female parents are blended in the offspring. c. the two hereditary units that influence a certain trait segregate during gamete formation. d. each hereditary unit is inherited separately from other hereditary units. e. all of these are true.
A female who is heterozygous for hemophilia will
a. exhibit the condition throughout her life. b. suffer from bleeding when severely stressed. c. show no signs of the disease at all. d. pass the gene on to all of her children. e. pass the gene on to only her sons.