The hinge region of an antibody has a hypervariable amino acid region where the antigenic determinant fits.
Answer the following statement true (T) or false (F)
False
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Plastoquinone (PQ), an electron carrier of small molecular weight, is found in the electron transport chain associated with photosystem II. If PQ is not directly anchored to other membrane or cytoplasmic structures, it is probably _____
A) mobile in the thylakoid membrane B) lipid soluble C) a molecule that serves as a shuttle between the electron transport chain and ATP synthase D) both lipid soluble and a molecule that serves as a shuttle between the electron transport chain and ATP synthase
How many viroids are known to cause diseases in commercially valuable plants?
a. 12 b. 46 c. 68 d. 22 e. 30
Which of the following structures is not associated with the female reproductive component of the plant?
a. Ovary b. Stigma c. Carpel d. Filament e. Style
In capillary exchange, ___ diffuses into the
interstitial fluid, ___ diffuses into the capillaries, and ___ stays in the capillaries.
a. oxygen; carbon dioxide; plasma proteins b. carbon dioxide; oxygen; plasma proteins c. plasma proteins; oxygen; carbon dioxide d. carbon dioxide; plasma proteins; oxygen e. oxygen; plasma proteins; carbon dioxide