Adenine and guanine are
a. nitrogenous bases.
b. base pairs bonded together in DNA.
c. bases found only in RNA.
d. waste products of protein synthesis.
e. amino acids.
A
You might also like to view...
Maternal blood and fetal blood are mixed in the placenta
Indicate whether the statement is true or false
Which is NOT a correct association of intestinal disorders?
Select one: a. diarrhea—rapid movement of feces that may result in dehydration b. constipation—too slow movement of feces, permitting hard and dry feces c. polyps—small growths on the epithelial lining that can become cancerous d. hemorrhoids—a sexually contracted disease e. hepatitis—inflammation of the liver
The inactivation of one X chromosome is established by the directed spreading of heterochromatin. The silent state of this chromosome is _______________ in the subsequent cell divisions
(a) completed (b) switched (c) erased (d) maintained
Large, uniform distances typically separate individual panda bears from each other. What type of population distribution do pandas exhibit?
A. random distribution B. logistic distribution C. clustered distribution D. over-dispersed distribution E. sinusoidal distribution