Stem cells show promise for mending damage
due to
a. spinal cord injuries.
b. Parkinson's disease.
c. muscular dystrophy.
d. heart attacks.
e. all of these.
E
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Your brother mentions that several days ago he began to feel as if he was coming down with a cold, but now is no longer experiencing any signs or symptoms and feels fine. Having just studied the infectious disease process in your microbiology course, you immediately recognize that he is describing the ________ phase of illness.
A. convalescent B. acute C. prodromal D. incubation
Which of the following statements about abscisic acid are true? Check all that apply.
_____It is produced chiefly in mature green leaves and in fruits. _____ It stimulates the growth of dormant buds. _____It promotes leaf senescence. _____It plays an important role in controlling the opening and closing of stomata. _____It plays a role in seed dormancy.
Which of the following is a defining feature of vertebrate nervous system development?
a. Oraganogenesis b. Ectoderm develops into organs c. Ectoderm and endoderm develop into organs d. Ectoderm, endoderm and mesoderm develop into organs e. Neural crest
Fluid filtered into Bowman's capsule flows directly into the _____
a. renal artery c. distal tubule b. proximal tubule d. loop of Henle