Which of the following is/are TRUE regarding the antidepressants?

a. Tricycles compound causes side effects due to lack of specificity against various transporters
b. "MAO inhibitors" inhibits oxidation of NE (norepinephrine) and 5HT
c. Lithium passes Na+ channel and interferes with adenylate cyclase
d. all of above
e. b and c


Answer: d. all of above

Biology & Microbiology

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Under favorable conditions, plasmodial slime molds exist primarily as

a. a coordinated, multicellular blob. b. individual amoeba-like cells. c. individual flagellated cells. d. a single, multinucleated cellular blob. e. spore-forming fruiting bodies.

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In meiosis, cells become haploid ____

a. at the end of telophase I b. during metaphase I c. during anaphase I d. at the beginning of metaphase II e. at the end of prophase II

Biology & Microbiology

Your 49-year-old mother has just been diagnosed with subacute endocarditis with the following symptoms: fever, a rash, and early congestive heart failure.  You wonder how this infection occurred, particularly since she appeared to be healthy before this.  Which of the following questions for her physician is most pertinent to understanding the cause of this infection? 

A. Could she have AIDS? B. Could she have contracted this from a mosquito bite, since she does so much gardening? C. Does she have an abnormal heart valve or a murmur? D. Is this infection related to menopause?

Biology & Microbiology

Phylogenetic trees are built using:

a) similarities in the physical structure of organisms. b) similarities in the embryological development of organisms. c) similarities in the DNA sequences of organisms. d) tissue samples. e) a), b), and c) are all correct.

Biology & Microbiology