The effects of T3 and T4 on the body
a) tend to be fast acting
b) tend to decrease metabolic rate
c) tend to decrease heart rate
d) both b and c
e) none of the above
Ans: e) none of the above
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In what way(s) has the successful treatment of mood disorders with prescription drugs changed the historical attitudes toward mental illness?
_____ It has helped people accept that there is a biological basis for mental illnesses, much like other diseases. _____ It has increased the stigma attached to mental illness. _____ It has reinforced the belief that the mentally ill are irresponsible and should be able to make better decisions. _____ It has increased the number of cases of mental illness that go untreated. _____ It has increased the likelihood that many suffering from mental illness may be able to treat symptoms and lead more productive lives.
A radical mastectomy involves the removal of
a. any breast tumor. b. a benign breast tumor. c. a malignant breast tumor. d. a breast, all lymph nodes under the arm, and skeletal muscles in the chest wall under the breast. e. both breasts.
The action of a new drug is unknown, so you test various aspects of eukaryotic cell processes looking for an effect. You notice that the survival of cells exposed to this drug is very low
Further analysis shows that some proteins and mRNAs are much longer than they should be. One hypothesis is that the drug interferes with A) transcription termination signals. B) spliceosome activity. C) ribosomes. D) nucleoli. E) either transcription termination signals or spliceosome activity.
Crosses between two dihybrid F1 pea plants, which are offspring from a parental cross AABB x aabb, result in F2 phenotypic ratios close to __________.
A) 1:2:1 B) 3:1 C) 1:1:1:1 D) 9:3:3:1