In pine trees the megaspores develop within a(n) ____

a. sporopollenin
b. ovule
c. seed
d. strobilus
e. pollen grain


B

Biology & Microbiology

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Explain why the amount of energy released in a redox reaction depends on the nature of both the electron donor and the electron acceptor

What will be an ideal response?

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P700 is located in photosystem ____ and is comprised of chlorophyll ____ absorbing light with a

wavelength of 700 nm.

a. I; b b. I; a c. II; b d. II; a e. I and II; a

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All plant tissues arise at ________, which are regions of rapidly dividing cells

a. cotyledons b. ground tissues c. collenchyma d. meristems

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If the mitosomes of Giardia contain no DNA, yet are descendants of what were once free-living organisms, then where are we likely to find the genes that encode their structures, and what accounts for their current location there?

A) plasmids; conjugation B) plasmids; transformation C) nucleus; horizontal gene transfer D) nucleus; S phase

Biology & Microbiology