A focal infection is where the infectious agent
A) remains confined to a specific tissue.
B) spreads to several sites and fluids, usually in the blood.
C) breaks loose from initial infection and is carried to other tissues.
D) follows an initial infection by another agent.
Ans: C) breaks loose from initial infection and is carried to other tissues.
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What occurs at the cellular level if someone inherits Huntington's disease? a. A protein is altered in shape and function
b. A lipid is altered in shape and function. c. The nuclear envelope is altered in shape and function. d. A nucleic acid is altered in shape and function. e. The cell membrane of muscle cells is altered in shape and function.
There are three alleles controlling the ABO blood types. IA and IB are codominant genes so that the combination IAIB produces the AB blood type. The third allele, i, is recessive to the other two alleles. Which of the following combinations of parents (with blood types on the left) and child (with blood type listed on the right) is NOT possible?
A. A ´ AB = B B. A ´ O = A C. A ´ B = O D. A ´ AB = O E. A ´ AB = B
A normally functioning pancreas produces insulin, a hormone that causes cells to ____.
A. produce glucagon B. take up and store glucose C. synthesize protein D. break down glucose E. produce glucagon
A(n) (oxidation/reduction/transport) reaction is one in which a molecule accepts an electron.
Fill in the blank(s) with the appropriate word(s).