What part of the nervous system cushions the CNS and helps supply it with nutrients and hormones, and carries away wastes?
A) cerebrospinal fluid
B) spinal cord
C) interneurons
D) the bones of the skull
A
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When is preimplantation diagnosis performed?
a. before in vitro fertilization takes place b. when the embryo has at least 100 cells c. when the embryo is at the 8 cell stage d. when the embryo becomes a fetus at 8 weeks e. shortly after birth
Researchers Feng and Zhao discovered premature stop codons in the T1R gene in Toothed and Baleen whales. How would a premature stop codon affect this protein?
A. The protein will be partially synthesized and will function incorrectly. B. The protein would be synthesized completely intact and function properly. C. The protein would be synthesized completely intact but function incorrectly. D. The protein will be partially synthesized and function correctly. E. The gene for the protein would no longer be found in the genome.
The inspiratory and the expiratory reserves make up the total volume in the lungs.
a. true b. false
Signs and symptoms of significant cyanide exposure include:
A) tachypnea. B) bradycardia. C) hypertension. D) hot, dry skin.