The most effective portion(s) of the visible spectrum in driving photosynthesis is (are):

a) the violet-blue portion.
b) the yellow-green portion.
c) the red-green portion.
d) Both a) and b) are correct.
e) Both a) and c) are correct.


Ans: a) the violet-blue portion.

Biology & Microbiology

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Most fish deposit fertilized eggs, but some sharks keep the fertilized egg inside the female until she gives birth to a relatively well-developed pup. These sharks would thus be characterized as _____

A) live-bearing B) ovoviviparous C) oviparous D) viviparous

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Imagine that you have been shrunk to microscopic size and are sitting on top of a thylakoid disk. Which of the following are contained within the structure upon which you sit?

-photosystems -antenna complexes -ETCs -phospholipids -all of the above

Biology & Microbiology

Epsilonproteobacteria are most dominant in hydrothermal vents because they

A) reduce nitrogen. B) oxidize reduced sulfur compounds. C) use oxygen as electron acceptors. D) bind divalent cations.

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Hemophilia is an X-linked trait caused by the allele h. About 1 in 10,000 males (0.0001) has hemophilia. The

frequency of the h allele in males is therefore _____________________. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology