Which is a disadvantage associated with asexual reproduction?
a. Decreased genetic diversity relative to sexual reproduction.
b. Increased recombination rate relative to sexual reproduction.
c. Excessive numbers of offspring relative to sexual reproduction.
d. Excessive diversity of offspring phenotypes
Ans: a. Decreased genetic diversity relative to sexual reproduction.
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The complement pathway that requires antibodies to be activated is the
A. alternate pathway. B. classical pathway. C. properdin pathway. D. inflammatory pathway.
Considering solutions on either side of a selectively permeable membrane, a solution of higher
osmolarity is said to be hyperosmotic to a solution of lower osmolarity
Indicate whether the statement is true or false.Hemophilia A is an X-linked recessive disorder. If a normal man marries a woman who is a carrier, what fraction of their daughters will have hemophilia? Select one:
a. 25% b. 50% c. 75% d. 0% e. 100%
Which of the following pertains to both tetanus and food-borne botulism?
A) It is caused by enterotoxins of the pathogen. B) It can be treated with antibiotics. C) Nausea and diarrhea are symptoms. D) Treatment involves antitoxin therapy. E) Exotoxin blocks acetylcholine release.