The random movement of molecules from areas of high concentration to low concentration is referred to as:
a) osmosis.
b) transport.
c) diffusion.
d) All of these choices are correct.
Answer: c) diffusion.
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Interaction of a PAMP with a TLR triggers transmembrane signal transduction and subsequent
A) clonal expansion. B) antibody production. C) complement protein activation. D) phagocytosis and inflammation.
If a stretch of human double stranded DNA contains 47% G and C bases, then ____
a. it contains 47% A and T bases b. there are more pyrimidines than purines c. there are more purines than pyrimidines d. it contains 53% A and T bases
e. there are no genes in this stretch of DNAMild effects of cyanide exposure:
A) include slow, shallow respirations and generally require positive-pressure ventilatory assistance. B) can only be reversed with high doses of amyl nitrate and high-flow oxygen via nonrebreathing mask. C) include hemoptysis and hematemesis, and mandate immediate treatment with hyperbaric oxygen. D) generally resolve by simply removing the victim from the environment and administering oxygen.
A stem cell divides into two daughter cells. One of the daughter cells goes on to become a terminally differentiated cell. What is the typical fate of the other daughter cell?
What will be an ideal response?