The portion of the sarcomere indicated by the red box in the photo shows which of the following?
A. overlapping actin and myosin filaments
B. a portion of the myosin filaments without
any overlapping actin filaments
C. a portion of the actin filaments without any
overlapping myosin filaments
D. the Z disc
E. titin filaments
A
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Genetically modified crops have been banned in the United States
Indicate whether the statement is true or false.
A nephron____
a. is a kidney tubule b. replaces the blood c. forms feces
d. connects the kidneys to the bladder e. is the functional unit of the kidney
The greatest drop in blood pressure occurs in the
a. arteries. b. arterioles. c. capillaries. d. venules. e. veins.
Which of the following is an example of a scientific question?
a) does adding sugar to water keep flowers fresh b) do cats make better pets than dogs c) are friendly people on time more often than unfriendly people d) which flowers are prettier, daisies or roses