Where on the Y-shaped antibody does an antigen bind?
A) Constant region of the heavy chain B) Stem of the Y
C) Tip of the arm D) Constant region of the light chain
C
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Fragile sites appear as ____________________ or ____________________ at specific sites on a chromosome
Fill in the blank(s) with correct word
The following are all main points about toxic fish poisoning except:
a. ciguatera poisoning is not usually fatal. b. ciguatera is due to blooms of dinoflagellates. c. puffer fish poisoning can be fatal. d. there are safe and effective antidotes for ciguatera poisoning.
Neanderthals were first discovered near and named for the:a
Neander Bay in Canada. b. Neander Valley in India. c. Neander River in Africa. d. Neander Valley in Germany. e. Neander Mountains in France.
If the parents of a child have the following genotypes [Bb ´ Bb], what is the probability that they will have a child with the genotype [BB]?
A. 100% B. 50% C. 25% D. 0%