You read the following headline in the newspaper: "Scientists Find Gene Linked to Schizophrenia." As exciting as this news seems, the reality is that many more years of research will be required before this new knowledge will have any impact on people who have schizophrenia. How will this information likely benefit scientists as they continue to search for treatments?
A) It will help scientists identify the disease in rats.
B) It will help scientists identify the gene linked to dementia.
C) It will allow scientists to treat patients with the disease through gene therapy.
D) It will help scientists identify the DNA mutations that cause schizophrenia.
E) It will help doctors understand more about the drugs they prescribe to patients with schizophrenia
D) It will help scientists identify the DNA mutations that cause schizophrenia.
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Cyclodextrins are a group of compounds capable of removing cholesterol from membranes. The effect most likely to have a large impact on cells as a result of cyclodextrin treatment would be
A. increased concentration of transmembrane proteins. B. increased permeability of the membrane. C. increased membrane fluidity at lower temperatures. D. increased membrane fluidity at higher temperatures. E. disruption of transmembrane protein structure. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you know about the role of cholesterol in membranes? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Which DNA repair mechanism uses DNA-N-glycolases?
A. Recombinational repair B. Direct repair C. Base excision repair D. Mismatch repair E. Nucleotide excision repair F. Nonhomologous end joining (NHEJ)
Bone mass decreases with the activity of osteoblasts.
a. true b. false
Which of the following is NOT true after a man has had a vasectomy?
A. The vas deferens still transports sperm to the urethra. B. The interstitial cells can still release hormones. C. The uterine tube will not be affected. D. The semen will not contain sperm. E. Bulbourethral glands are not affected by the operation.