Which of the following will eventually
produce a female gametophyte?
a. megaspore
b. microsporangium
c. microspore
d. megasporangium
e. female gametes
A
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Which factor(s) determine a species' optimal foraging theory?
a. availability of parasites b. availability of predators c. energy needed to capture food and court mates d. energy that foraging provides e. energy needed to capture food and the energy that the food provides
Friedrich Miescher, after he began to study the chemical composition of the nucleus, was one of the first to ____
a. propose the nuclear structure of the H5N1 virus b. discover that the nucleus contained DNA but no proteins c. discover that human and mice chromosome chemistry differs greatly d. isolate DNA and propose its structure e. isolate and purify a cellular organelle
Which of the following receptor and signal transduction molecules are mismatched?
A. sensor kinase receptor (NarQ): NarL B. G-protein coupled receptor: adenylyl cyclase C. G-protein coupled receptor: phospholipase C D. enzyme linked receptors: protein kinase E. steroid receptor: calcium
The teacher and class were especially saddened when the colonial hydrozoan died. They had watched it carefully, and the unfortunate creature never even got to produce offspring by budding
Yet, everyone was elated when one of the students noticed a small colonial hydrozoan growing in a part of the tank far from the location of the original colony. The teacher was apparently unaware that these hydrozoans exhibit _____. A) spontaneous generation B) abiogenesis C) alternation of generations D) a medusa stage