Limulus polyphemus are the source of ________
A) calcitonin used to treat osteoporosis
B) growth hormone used to treat dwarfism
C) hydroxyapatite used to treat arthritis
D) cells for the LAL test used to detect bacterial contamination of surgical tools
E) Prialt, a peptide used as a pain reliever
D
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Shortly after ingesting a big plate of carbohydrate-rich pasta, you measure your blood's hormone levels. What results would you expect, compared to before the meal?
A) high insulin, low glucagon B) low insulin, low glucagon C) high insulin, high glucagon D) low insulin, high glucagon E) low insulin, no change in glucagon
An enzyme catalyzes a substrate into a final product. When the concentration of the final product is high enough, it binds to a regulatory site on the enzyme
This binding at the regulatory site changes the shape of the enzyme, which prevents it from binding the substrate and prevents formation of more final product. This is an example of a(n) _______________. A. posttranslational modification B. allosteric enzyme C. translational repressor D. methylation
A human population that is shrinking would be characterized by a(n):
a. large proportion of prereproductive individuals. b. small proportion of prereproductive individuals. c. large proportion of reproductive individuals. d. equal number of individuals of all age groups. e. small proportion of postreproductive individuals.
kills disease causing organisms, activates pepsin, breaks down meat connective tissue
What will be an ideal response?