Myosin climbs down actin strands in a manner that is similar to a child climbing down a rope, by gripping one section, bending, detaching, and gripping the next lower section. This myosin action causes __________ of the muscle fibers.
A. shortening
B. lengthening
C. activating
D. elongating
Answer: A
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Backward pairing
a. though generally ineffective, has been shown to occur in instances involving preparedness to learn by the organism. b. according to research, is only theoretically possible since learning has yet been empirically proven to occur by this method. c. is an approach to the building of relationships among those who possess the character trait of shyness. d. despite claims to the contrary, has proven to be the most effective method of pairing in terms of longevity of learning.
Why was infant formula ever used?
What will be an ideal response?
Which of the following has hampered efforts to regulate TV broadcasting in the United States?
A) lack of funding B) intense pressure from parents C) successful lobbying by television and film studios D) the First Amendment right to free speech
How many reflexes are newborns born with?
A. 13 B. 19 C. 24 D. 27