An epitope associates with which part of an antibody?

A) the disulfide bridge
B) the heavy-chain constant regions only
C) variable regions of a heavy chain and light chain combined
D) the light-chain constant regions only
E) the tail


Answer: C

Biology & Microbiology

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The dH2O-only treatment in the Fast Plantâ„¢ bioassay provides

(a) a control. (b) moisture for seed germination. (c) dilution of potential cytotoxins. (d) none of the above.

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About 10-20% of patients with Leigh Syndrome, a mitochondrial disease, have a mutation in MT-ATP6, a gene that

codes for ATP synthase. These patients often experience high levels of _____ in their cells due to an increase in levels of pyruvate that are unable to convert to acetyl-CoA.

a. NADH b. FADH2 c. lactate d. ethanol e. carbon dioxide

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Postzygotic isolation barriers prevent

A. a hybrid embryo from developing into a fertile adult. B. fertilization. C. male gametes from joining with female gametes. D. All answers are correct. E. formation of gametes by one of the parents.

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It is common for people who are traveling in cars or planes to experience an unpleasant sensation known as ________, which is due to conflicting sensory inputs from receptors located in muscles and tendons, the eyes, and the vestibular apparatus

Fill in the blank(s) with correct word

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