The two molecules in the following figure represent:a
ionized structures.
b. enantiomers.
c. secondary structures.
d. geometric isomers.
e. polymers.
D
You might also like to view...
Competitive exclusion is based on the idea that:
a. one species will voluntarily allow the other to survive b. no two species can completely occupy the same niche c. the larger species will always dominate the smaller d. competition is overrated as a factor in species survival e. two species can live together if they share the same niche but use it at different times
Which of the following statements about the loop of Henle is true?
a. The walls of the descending loop are relatively impermeable to water. b. The walls of the descending loop are relatively permeable to sodium. c. The walls of the ascending loop are relatively permeable to water. d. The walls of the ascending loop are relatively permeable to sodium. e. The entire loops is relatively permeable to sodium.
Which one of the following has the cellular components arranged in order of increasing size?
A) Amino acid < protein < mitochondrion < ribosome B) Amino acid < protein < ribosome < mitochondrion C) Amino acid < ribosome < protein < mitochondrion D) Protein < amino acid < mitochondrion < ribosome E) Protein < ribosome < mitochondrion < amino acid
The gene PD-1 plays an important role in immune response to tumor cells. How would using gene editing to knock out this gene help T cells recognize and kill cancer cells?
A) PD-1 will be expressed in the cytosol of the cancer cell. This protects PD-1 from the T cell. B) PD-1 will be expressed in the cytosol of the T cell. This protects PD-1 from cancer cells. C) PD-1 will not be expressed on the cancer cell surface. This prevents T cell recognition. D) PD-1 will not be expressed on the T cell surface. This circumvents one line of the cancer cells defense.