Multicelled, absorptive structures called __________ are on the surface of each fold of the small intestines.
Fill in the blank(s) with the appropriate word(s).
villi
Biology & Microbiology
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Rods and cones synapse with:
A. the optic neuron B. bipolar cells C. ganglion cells D. amacrine cells
Biology & Microbiology
Chemical germicides
A. may react irreversibly with proteins/enzymes. B. may react with cytoplasmic membranes or viral envelopes. C. may be disinfecting or even sterilizing. D. are sensitive to dilution factor, time of contact, and temperature of use. E. All of the choices are true.
Biology & Microbiology
An action potential is self-propagating and does not weaken with distance. How is the action potential self-propagating?
What will be an ideal response?
Biology & Microbiology
The bacterial chromosome
What will be an ideal response?
Biology & Microbiology