Exchange of genetic material among different species is called
A. homolgous gene exchange.
B. horizontal gene transfer.
C. exon shuffling.
D. genetic recombination.
E. exon shuffling and or genetic recombination.
B. horizontal gene transfer.
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Eusocial animals are those that ________
a. live together for generations and have a reproductive division of labor b. typically display altruistic behavior c. nest in colonies but live separately the rest of the year d. associate with others of their species only for breeding
The bundle sheath in a monocot leaf
a. is filled with intercellular space. b. is the location of stomata. c. is covered with a cuticle to prevent water loss. d. functions in a manner somewhat similar to the root endodermis.
Each of the following is involved in DNA replication licensing during S phase except
A) geminin. B) ORC. C) MCM proteins. D) helicase loaders. E) CENP-A.
If a certain atom has a tendency to lose two electrons, that atom can then become a(n)
A) ion. B) polar molecule. C) isotope. D) water molecule.