What is partial pressure a measure of?

A.) the amount of a gas (that is part of a mixture) dissolved in a liquid
B.) the total atmospheric pressure
C.) the total amount of air entering the lungs
D.) the relative sizes of the gas molecules


Answer: A.) the amount of a gas (that is part of a mixture) dissolved in a liquid

Biology & Microbiology

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The best known chronic infection involves

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Scientists have been able to clone

a. sheep. b. cats. c. rabbits. d. pigs. e. all of these.

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The familial form of retinoblastoma is characterized by cancer appearing in both eyes relatively early in life. In contrast, the sporadic form is usually unilateral and appears later. What accounts for the difference?

What will be an ideal response?

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All of the following characterize the secondary response to an antigen except 

A. it is also known as the anamnestic response. B. it is mostly IgM antibodies that are produced. C. a higher titer of antibody is produced than the primary response. D. a longer persistence of antibody than with the primary response. E. a quicker rate of antibody synthesis than the primary response.

Biology & Microbiology