Distances on genetic maps are measured in ____________________ and distances on physical maps are measured in ____________________
Fill in the blank(s) with correct word
centimorgans; base pairs
cM; base pairs
centimorgans; bp
cM; bp
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_________, which is released from ____________, acts on the ovaries and testes
A. Follicle-stimulating hormone; the anterior pituitary gland B. Luteinizing hormone; the posterior pituitary gland C. Estrogen; the anterior pituitary gland D. Testosterone; the posterior pituitary gland E. Vasopressin; the anterior pituitary gland
Otto Loewi performed an experiment in which he electrically stimulated the vagus nerve connected to one frog heart and let the fluid bathing this first heart pass to a second chamber containing a second frog heart not connected to a nerve. What did Loewi observe?
A. There was no effect on the beating of either heart. B. The first heart showed an increase in beat rate, but there was no change in the second heart. C. The first heart showed an increase in beat rate and so did the second heart. D. The first heart showed a decrease in beat rate, but there was no change in the second heart. E. The first heart showed a decrease in beat rate and so did the second heart.
Adventitious shoots that sprout from shallow lateral roots are called ____
a. grafts b. pericyle extensions c. stem fragments d. cuttings e. suckers
Which biome contains few shrubs or trees and has limited rainfall?
A) grassland B) chaparral C) boreal forest D) tundra