Insulin is synthesized in (A)____, and reduces (B)____ levels in the bloodstream by enhancing (C)_______ dependent glucose influx.
a. (A) ? cells (liver) (B) fatty acid (C) Glut4
b. (A) ? cells (pancreas) (B) glucose (C) Glut4
c. (A) ? cell (liver) (B) fatty acid (C) Glucocorticoid
d. (A) ? cell (pancreas) (B) glucose (C) Glucocorticoid
Answer: b. (A) ? cells (pancreas) (B) glucose (C) Glut4
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Horizontal gene transfer is not thought to play a major role in the exchange of which of the following genes between bacterial species?
A. genes encoding rRNAs B. genes conveying antibiotic resistance C. genes involved in nitrogen fixation D. genes involved in bacterial photosynthesis
The transmission of Vibrio spp. to humans is by:
a. exposure of disrupted skin and mucosal surfaces to contaminated animal hides. b. ingestion of contaminated seafood or wa-ter. c. inhalation of contaminated air. d. close contact with carriers of the organism.
Which of the following is a cluster of neuron cell bodies found in Planaria?
A. Brain B. Nerve cord C. Ganglion D. Nerve net E. Cephalization
What type of molecules show hydrophobic properties?
What will be an ideal response?