Which chromosomal mutation will cause Williams syndrome?
A. duplication
B. deletion
C. trisomy
D. translocation
E. inversion
Answer: B
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The type of epidemiological study that determines the characteristics of the persons involved and the time and place of the outbreak is called a(n)
A. inspection study. B. descriptive study. C. cohortive study. D. retrospective study.
Which of the combinations represents a complete yeast artificial chromosome (YAC) that is most likely to segregate correctly?
A) telomere-ARS-centromere B) telomere-ARS-centromere-100,000 bp insert C) telomere-centromere-100,000 bp insert-telomere D) telomere-ARS-centromere-11,000 bp insert-telomere suitable selectable markers E) telomere-ARS-centromere-100,000 bp insert-telomere
Which of the following is not part of the step that occurs between glycolysis and the Krebs cycle?
A. Reduction of NAD+ B. Oxidation of pyruvic acid C. Coenzyme A attaches to an acetyl group D. Pyruvic acid accepts electrons from NADH
Matching I. Even though there may be more than one
correct letter response to some numbered items, discriminate and “juggle” so that you have the one BEST response for each blank. 1. ___ effector 2. ___ excitatory postsynaptic potential 3. ___ ganglion 4. ___ integrator 5. ___ Inhibitory Postsynaptic Potential 6. ___ interneuron 7. ___ muscle spindle 8. ___ myelin sheath 9. ___ neuroglia 10. ___ receptor 11. ___ recovery period 12. ___ response 13. ___ sodium-potassium pump 14. ___ stimulus 15. ___ neurotransmitter molecule A. cells that nurture and support neurons B. a hyperpolarizing event C. a neuron cannot propagate an action potential at this time D. ACh or GABA E. interneuron in brain or spinal cord F. establishes basis of resting membrane potential G. sheathed muscle cells that contain receptors H. input I. integrator cell between sensory and motor J. modified dendrite of a sensory neuron K. a depolarizing event L. output M. muscle or gland N. produced by a Schwann cell O. cluster of cell bodies outside the CNS