Which of these is the best explanation for high genetic variability in sexually reproducing individuals?
What will be an ideal response?
Random fertilization
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Gramicidin is an antibiotic that increases the permeability of bacterial cell walls to inorganic ions. What is the most likely mode of action of gramicidin?
A) It acts by active transport. B) It causes membranes to fuse with one another. C) It forms a channel in the membrane. D) It removes electrical charges from solutes.
Fats packaged in chylomicrons pass directly from epithelial cells to the bloodstream.
Answer the following statement true (T) or false (F)
A bacterial pathogen has just entered the body of a person. Describe the sequence of events that lead to
the production of enzymes that will hydrolytically destroy the bacterial cell, beginning with events in the nucleus and ending with destruction of the pathogen.What will be an ideal response?
Carlos visited the desert for the first time and, as he was sweating a lot, bought some distilled water. This seemed to satisfy his thirst very well. Why is the distilled water not the best choice of beverage for Carlos?
What will be an ideal response?