Blood pressure depends on:
a. total blood volume only
b. cardiac output only
c. degree of arteriole dilation only
d. total blood volume and cardiac output only
e. total blood volume, cardiac output, and degree of arteriole dilation
e
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Match the following descriptions with the specific type of cellular junction listed below. Descriptions may be used more than once or not at all
a. junctions that anchor cells to one another or the ECM b. junctions that permit communication between cells c. junctions that form a seal or a barrier between cells d. junctions that anchor cells to other cells e. junctions that anchor cells to the extracellular matrix 1. Adherens junctions 2. Tight junctions 3. Gap junctions 4. Desmosomes 5. Plasmodesmata 6. Hemidesmosomes What will be an ideal response?
In examining water samples preserved in glass jars over the last century, you notice a steadily declining pH. What is the most likely general explanation?
A. gradual eutrophication of water sources B. rising atmospheric carbon dioxide levels leading to gradual acidification C. dumping of acids in waterways D. mislabeling of samples E. None of the answer choices is correct.
The 3' end of DNA
A. refers to the end that has a hydroxyl group attached to the number 3 carbon of deoxyribose. B. attaches to the 5' phosphate group of the incoming nucleotide. C. always has thymine attached to it. D. usually has guanine attached to it. E. refers to the end that has a hydroxyl group attached to the number 3 carbon of deoxyribose AND attaches to the 5' phosphate group of the incoming nucleotide.
The Rickettsial disease that killed Howard Ricketts and Stanislaus Prowazek was
A. louse-borne typhus. B. tick-borne typhus. C. yellow fever. D. bubonic plague