The largest cones produced on a pine tree, the ones we are typically most familiar with, are the female

cones that contain:a.
megasporangia.
b. microsporangia.
c. pollen.
d. microspores.
e. antheridia


A

Biology & Microbiology

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What blood type is called the universal donor?

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After a long period of gradual evolution of protein domains, a period of explosive change (the “big

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a. Eukarya b. Protoctista c. Archaea d. Animalia e. Bacteria

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Signs and symptoms of nerve agent exposure include all of the following, EXCEPT:

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What characteristic of the S strain allows it to evade the immune system of the mice?

a. They are resistant to heat. b. The cells have a capsule. c. They are naturally competent. d. They are genetically engineered to be resistant to killing.

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