The type of inhibitor that binds to the enzyme active site is a(n) ________ inhibitor
A) competitive
B) noncompetitive
C) uncompetitive
D) coenzyme
E) mixed-type
Answer: A
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Refer to the paragraph about Kawakubo's group. Kawakubo's group created a glycoprotein with a terminal NAG (i.e., a protein with NAG attached to its end). Their hypothesis is that the terminal NAG, and not the protein component , is responsible for the damage to the cell wall in H. pylori. What would be the most appropriate control for testing this hypothesis?
A) Grow H. pylori in a test tube (in vitro) with no glycoprotein. B) Destroy the H. pylori by exposing them to a hypotonic solution. Then add the glycoprotein and observe. C) Expose other species of bacteria to the glycoprotein. D) Grow H. pylori in a test tube with a glycoprotein that has its terminal NAG removed.
In general, the blastomeres of this region form the ectodermal tissues.
A. animal pole B. vegetal pole C. equator region D. membrane
A millicurie, a unit of radioactivity, is
(a) a tenth of a curie. (b) a hundredth of a curie. (c) a thousandth of a curie. (d) a millionth of a curie.
Which of the following would be classified as a tropic hormone? Select all correct choices
A. thyroid-stimulating hormone (TSH) B. oxytocin C. adrenocorticotropic hormone (ACTH) D. estrogen E. somatostatin