In the light microscope, DNA molecules are most visible in which of the following?
a. in the form of euchromatin
b. in a cell that is dividing
c. when they are in their most extended form
d. during interphase
e. when they are stripped of histones
Ans: b. in a cell that is dividing
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Which scientist described inclusive fitness as the effect an individual has on propagating its alleles through its own reproduction and through kin selection?
A. Mendel B. Darwin C. Wallace D. Tinbergen E. Hamilton
Most CO2 reacts with water inside red blood cells to form bicarbonate, due to the activity of
__________. Fill in the blank(s) with the appropriate word(s).
Which of the following is NOT a component of DNA?
a. deoxyribose b. phosphate c. adenine d. uracil e. guanine
In some species of herbivorous mammals, hindgut fermentation occurs in the
A) rumen. B) reticulum. C) colon. D) caecum.