Figure 35.15
Use the structure of a skeletal muscle figure above to answer the following question.
The structure indicated by the letter "C" above represents ____.
A. thin filament
B. myofibril
C. thick filament
D. myofilament
E. muscle fiber
Answer: C
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The term "virus" is derived from the Latin word that means:
A. cancer. B. disease. C. poison. D. death. E. infectious.
Dispersion is
A. the ability to move. B. the rate of movement. C. the spatial distribution of reproduction. D. the spatial distribution of individuals. E. the timing of reproduction.
Decomposers recycle materials at ____ trophic
level(s). a. the first b. the second c. the third d. the fourth e. any of these
All of the following are true of the natural killer cells
(NK cells) EXCEPT that they a. are most active in innate responses. b. are central to adaptive immunity, like B and T cells. c. alert the immune system to the presence of antigens. d. kill weakened or dying body cells. e. combat viral infections and cancer.