Cytotoxic T cells recognize antigens bound to _____ whereas helper T cells recognize antigens bound to _____.
What will be an ideal response?
class I MHC, class II MHC
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System cell biologists often work with _______ to develop models of cellular processes that can be
refined by experimental validation.
a. molecular biologists b. reduction scientists c. the membrane d. mathmaticians e. mathmaticians and computer scientists
Respiration is a physiological process by which O2
enters the internal environment and CO2 leaves by diffusing across a __________. Fill in the blank(s) with the appropriate word(s).
In comparing aerobic and anaerobic cellular respiration, how much more effective is aerobic cellular respiration in net energy release?
A. 18 times (36 ATP:2 ATP) B. 20 times (40 ATP:2 ATP) C. 2 times (4 ATP:2 ATP) D. 17 times (34 ATP:2 ATP)
The government of Iran is ruled by religious figures and they ensure that citizens adhere to Islamic teachings. Iran is a _______ law system:
a) theocratic b) common c) civil d) traditional