Using transgenic animal models has its limitations because
A) prokaryotic cells are generally better at producing human proteins.
B) bacterial pathogens that affect humans do not affect animals.
C) the level of gene expression is significantly higher in animals.
D) researchers cannot control where a transgene inserts itself into a genome.
D) researchers cannot control where a transgene inserts itself into a genome.
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Which of the following statements about the brain is NOT correct?
A. The medulla oblongata has reflex centers for vomiting, coughing, sneezing, and swallowing. B. The thalamus relays sensory input from lower brain areas to the cerebrum. C. The hypothalamus is concerned with homeostasis and regulation of thirst, hunger, and blood pressure. D. The cerebellum functions in muscle coordination, posture, and balance. E. The pineal gland secretes serotonin, which is involved in mood changes.
Which of the following is/are hydrophilic?
A. cholesterol B. glucose C. vegetable oil D. Vegetable oil, butter, and cholesterol are correct. E. butter
What is encoded by the transfer region of the F plasmid?
What will be an ideal response?
Which of the following disorders is caused by a defect in the production of an elastic connective tissue protein called fibrillin?
A. sickle-cell disease B. Huntington disease C. Tay-Sachs disease D. cystic fibrosis E. Marfan syndrome