You are a nutritional scientist and discover an organic molecule that is water-soluble and is essential to good health but does not appear to be manufactured by the human body. It is most likely a
A. mineral.
B. carbohydrate.
C. vitamin.
D. polypeptide.
C. vitamin.
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Bacterial viruses are so named because they have prokaryotic cell structures similar to their bacterial hosts.
Answer the following statement true (T) or false (F)
What type of receptor does IP3 bind?
A. G-protein coupled B. ligand-gated Ca2+ channel C. enzyme-linked D. sensor kinase E. phospholipase type-I
As global temperatures increase, which of the following scenarios is most likely to happen?
A. Temperatures and humidity decrease. B. Sea surface temperatures and ocean heat content decrease. C. Glaciers and snow coverage decrease. D. Extreme weather events decrease.
Answer the following statement(s) true (T) or false (F)
1. The gelatin test requires refrigeration before incubation in order to correctly evaluate the result. 2. An indirect ELISA will only be positive if the patient has an active infection. 3. In an ELISA, the enzyme is conjugated to antibodies from the patient's serum. 4. Mycobacterium smegmatis is expected to be colored blue at the end of a successfully complete Acid-Fast stain. 5. A negative stain begins with a heat fixed smear.