Sister chromatids detach from one another and
become visibly separate chromosomes during
a. anaphase.
b. metaphase.
c. interphase.
d. prophase.
e. telophase
A
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Evidence for the possible evolution of information storage from RNA to DNA is the fact that ____
a. they use the same nucleotides b. some modern viruses synthesize DNA from an RNA template c. bacteria use RNA as a genetic information storage molecule d. RNA is a simpler molecule than DNA e. RNA and DNA will form complementary pairs
Characteristics of mitochondria include that they ____
a. have two membranes, with the outer membrane being highly folded b. are least abundant in metabolically active cells c. does not require oxygen for its functioning d. function in photosynthesis e. have their own DNA and ribosomes and divide independently of the cell
Neuroglial cells
a. metabolically support other neurons. b. form sheaths around neurons and increase the rate of impulse transmission. c. form more than half of the volume of the brain. d. provide physical support. e. do all of these.
In the central nervous system messages are coordinated and integrated and instructions are sent via nerves to ______.
Fill in the blank(s) with the appropriate word(s).