The dominant herbivores in savannas are
A) gophers.
B) insects.
C) antelope.
D) giraffes.
Answer: B
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Bacterial genes can be transferred from one bacterium to another by different mechanisms. The newly
introduced DNA can:
a. recombine with DNA already present. b. generate genetic variability. c. exchange alleles between homologous regions from two different individuals. d. allow growth on minimal media e. all of these
The NFL has stated that about one in four football players will exhibit signs of cognitive impairment as a result of repeated trauma to the brain. Which of the following is a result of such repeated trauma?
A) Brain tissue starts to deteriorate. B) Abnormal proteins build up in the brain tissue. C) Neurons in the brain are killed off. D) All of the above are true.
What pattern of inheritance applies to a woman with type A blood who has the alleles IA and i?
A) polygenic inheritance B) simple dominance C) codominance D) sex-linked recessive inheritance
Which of the following is the initiator codon?
A. UGA B. AUG C. UAA D. UAG