Stomata open in response to light when _____
a. guard cells pump ions into their cytoplasm
b. guard cells pump ions out of their cytoplasm
c. water evaporates out of guard cells
A
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African sleeping sickness is caused by
A. Trypanosoma brucei gambiense. B. Giardia lamblia. C. Histoplasma capsulatum. D. Trypanosoma brucei rhodesiense. E. Trypanosoma brucei gambiense and Trypanosoma brucei rhodesiense both cause African sleeping sickness.
A person choking on a piece of food____
a. cannot talk, breathe, or cough b. can cough but cannot breathe or talk c. can talk and cough but is unable to breathe d. can breathe through their nose if they remain calm e. can breathe but cannot talk or cough
When you put your hand on a hot stove, ________ receive signals from sensory receptors or other neurons and ________ conduct nerve impulses.
A. dendrites, astrocytes B. dendrites, axons C. astrocytes, oligodendrocytes D. axons, dendrites E. astrocytes, dendrites
What membrane fxn: When cells are disrupted and fractionated into sub-cellular components, the enzyme cytochrome P-450 is recovered with the endoplasmic reticulum fraction
What will be an ideal response?