Where does production of sexual spores in ascomycetes occur?
a. in sporangia
b. in zygospores
c. in asci
d. in conidiophores
Ans: c. in asci
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A foreign molecule that causes a specific immune response is a(n) ________.
A. antigen B. antibody C. marker D. PAMP E. hapten
ALL positive HIV-EIA tests must be confirmed by another independent test, usually the HIV Western blot
Indicate whether the statement is true or false.
How many molecules of G3P are required to regenerate RuBP?
a. one b. three c. five d. six
Which variation could be subject to natural selection?
A) A dog with short legs due to malnutrition is able to crawl into holes better than his littermates. B) A tree is not infested by a ground-dwelling beetle when the homeowner cuts the lower branches. C) A hyena is born with a spotted fur pattern that allows it to hide in the grass better than its littermates. D) A pigeon learns that when its keeper comes near it will get fed.