If blood was only serum, it would lack the ability to stop bleeding when necessary.
Answer the following statement true (T) or false (F)
True
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Which of the following is not a function of LDLs?
A) transport cholesterol from the peripheral tissues to the liver B) regulate cholesterol synthesis in tissue cells C) make cholesterol available to tissue cells for membrane or hormone synthesis D) influence cholesterol synthesis in tissue cells
Hemoglobin
a. plays a critical role in determining the total amount of O2 that is exchanged in the lungs because it removes O2 and keeps the low so that net diffusion continues b. combines only with O2 c. is found in erythrocytes d. does both a and c e. does none of the above
Blood pressure would INCREASE as a result of a DECREASE in __________.
What will be an ideal response?
Cytotoxic T cells attack target cells by doing what?
A) secreting a strong acid B) secreting organic solvent C) secreting free radicals D) activating genes that trigger apoptosis E) secreting mutant proteins