Using the great lubber grasshopper as a model, Walter Sutton observed:
A. separation of maternal and paternal chromosomes during mitosis.
B. replication of chromosomes during meiosis.
C. crossing over of homologous chromosomes.
D. pairing of homologous chromosomes during mitosis.
E. pairing of homologous chromosomes during meiosis.
E
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Extra fluid that leaks out of the capillary bed
enters
a. the surrounding cells. b. the lymphatic system. c. the venules. d. the capillary again. e. the adjoining arterioles
If two genes are almost always found in the same gamete,
a. they are located close together on the same chromosome. b. they are located on nonhomologous chromosomes. c. they are located far apart on the same chromosome. d. they are found on the sex chromosome. e. they are found on the autosome.
Starling's law of the heart states that the heart pumps:a
more forcefully when more blood is delivered to it. b. more rapidly when less blood is delivered to it. c. less forcefully when oxygen-rich blood is delivered to it. d. slower when more blood is delivered to it. e. slower when norepinephrine is secreted.
The term "metabotropic" refers to:
A) slow synapses B) oxygen use C) direct ion channels D) a tropical disease