Volumetric thirst is triggered by up-regulation of (A)________, followed by up-regulation of vasopressin from the (B)________________________.
a. (A) TSH (B) magnocellular neurosecretory cells
b. (A) TSH (B) OVLT
c. (A) angiotensin II (B) magnocellular neurosecretory cells
d. (A) angiotensin II (B) OVLT
Answer: c. (A) angiotensin II (B) magnocellular neurosecretory cells
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The first commercial product made with recombinant DNA techniques was ____________________
Fill in the blank(s) with correct word
You need to determine if a pure culture of bacteria is gram-positive or gram-negative, but you've just spilled your only solution of crystal violet so you can't do a Gram stain. You decide to try a lysozyme treatment on a sample of each culture and then examine the samples under the microscope. The expected result is
A. gram-positives will lyse and appears as debris; gram-negatives will lose cellular morphology and appear as cocci. B. gram-negatives will lyse and appears as debris; gram-positives will be unaffected. C. gram-negatives will lyse and appears as debris; gram-positives will lose cellular morphology and appear as cocci. D. gram-positives will lyse and appears as debris; gram-negatives will lyse but more slowly. E. gram-positives will lyse and appears as debris; gram-negatives will be unaffected.
Duplicated chromosomes linked together at their centromeres at the beginning of meiosis are appropriately called what
kind of chromatids? a. mother b. parallel c. sister d. homogenous e. haploid
In the disease myasthenia gravis, the immune system attacks the receptors for the neurotransmitter acetylcholine. A drug is used to inhibit the enzyme acetylcholinesterase, which normally removes the neurotransmitter
This improves the condition of the patient. How does this work?