Compared to when the Na+ channel is closed, how will the transport of Waste molecules change when the Na+ channel is open? The rate of Waste transport out of the cell will:
a) Increase
b) Decrease
c) Not change
Answer: b) Decrease
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Bacterial vaginosis may be the result of transfer from the rectum where the causative organisms usually reside in addition to occurring by means of sexual transmission.
Answer the following statement true (T) or false (F)
A(n) __________ produces pollen grains
a. anther b. carpel c. filament d. style
Pregnancy begins with
a. implantation. b. blastocyst formation. c. gastrulation. d. conception. e. formation of the amnion.
Which of the following cells would most likely hav the greatest concentration of densely packed rough endoplasmic reticulum?
A. An amoeba engulfing small ciliates B. A bioluminescent bacterial cell C. A pancreatic cell engaged in the production of digestive enzymes D. A functional phloem cell at maturity E. An epithelial cell whose DNA is replicating before mitosis