Brucella infections usually result in which type of bacteremia?
a. Transient
b. Intermittent
c. Continuous
d. Spontaneous
C
In septic shock, bacterial endocarditis, and other endovascular infections, organisms are released into the bloodstream at a fairly constant rate (continuous bacteremia). In addition, during the early stages of specific infections, including typhoid fever, brucellosis, and leptospirosis, bacteria are continuously present in the bloodstream.
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What will happen when the supply of ATP increases above normal levels?
a. Production will stop until ATP levels normalize. b. Sulfhydryl CoA production will accelerate. c. The rate of citrate production will decrease. d. The cell will temporarily produce GTP instead.
Carbohydrates that add to our caloric intake but meet no other nutritional needs are
a. refined sugars. b. starches. c. celluloses. d. sugar alcohols. e. artificial sweeteners
Why is glycolysis considered to be one of the first metabolic pathways to have evolved?
A) It produces much less ATP than does oxidative phosphorylation. B) It does not involve organelles or specialized structures, does not require oxygen, and is present in most organisms. C) It is found in prokaryotic cells but not in eukaryotic cells. D) It requires the presence of membrane-enclosed cell organelles found only in eukaryotic cells.
Photosynthetic organisms are ________
A) producers that make all of their organic matter from organic molecules that they take in B) consumers that obtain organic molecules from other living organisms C) producers that make all their own organic matter from inorganic molecules D) decomposers that obtain nutrients from the soil