Canadian researchers found that loud noise had
which of the following effects on a local songbird?
a. 20% reduction in weight gain
b. 15% fewer offspring
c. 10% increase in external parasites
d. 39% more male offspring
e. none of these
Answer: b
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A patient was involved a serious accident and lost a large quantity of blood. In an attempt to replenish body fluids, distilled water—equal to the volume of blood lost—is added to the blood directly via one of his veins
A patient was involved a serious accident and lost a large quantity of blood. In an attempt to replenish body fluids, distilled waterâ€"equal to the volume of blood lostâ€"is added to the blood directly via one of his veins. What will be the most probable result of this transfusion? A) It will have no unfavorable effect as long as the water is free of viruses and bacteria. B) The patient's red blood cells will shrivel up because the blood has become hypotonic compared to the cells. C) The patient's red blood cells will swell and possibly burst because the blood has become hypotonic compared to the cells. D) The patient's red blood cells will shrivel up because the blood has become hypertonic compared to the cells. E) The patient's red blood cells will burst because the blood has become hypertonic compared to the cells.
Which form of transmission is typically characterized by low virulence?
A) horizontal transmission B) vertical transmission C) indirect transmission D) direct transmission
Plant sugars like fructose are carbohydrates
a. true b. false
The process of forming an internal vesicle and releasing it from the cell is called
A. endocytosis B. exocytosis