Resting membrane potential may be defined as
a. the difference of charge between cytoplasmic side of cell’s membrane and outer
membrane side of cell.
b. a positive charge.
c. an action potential.
d. axon generated.
e. a nerve impulse.
A
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Describe how you would care for and put away your compound light microscope at the end of the lab.
What will be an ideal response?
Opportunists or opportunistic pathogens
A. are usually saprophytes. B. take advantage of special circumstances. C. are usually mutualistic. D. always cause disease.
Which of these is NOT a characteristic of sponges?
a) Amoebocyte cells transport food and make skeletal fibers and gametes. b) Flagellated choanocytes move water. c) Water enters through a single cavity, the osculum. d) sessile filter feeders e) body wall has two cell layers
Which evolved first?
a. prokaryotes c. eukaryotes b. organelles d. mitochondria