The settling of an embryo into the lining of the uterus is called
A. fertilization.
B. cleavage.
C. menses.
D. implantation.
D. implantation.
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The level of depolarization at which an action potential will be triggered is referred to as the
A. resting potential. B. membrane potential. C. cationic potential. D. refractory potential. E. threshold potential.
Most of the water moving through a plant is
lost through a. osmotic gradients in the soil. b. evaporation. c. pressure flow forces in the xylem. d. photolysis. e. photosynthesis
Restoration ecology is similar, at least in part, to stewardship and management. However, the main distinction that sets restoration ecology apart from stewardship and management is
A. that humans are a part of the system. B. direct human intervention for a predetermined end. C. a philosophy that nature will heal without intervention. D. the use of modern technological tools such as geographic information systems. E. a philosophy that humans will not be able to "fix" a system.
Which protein is defective in cases of Duchenne muscular dystrophy?
a. dystrophin b. albumin c. fibrillin d. fibrinogen e. fibrin