When referring to the following figure, where is the site of covalent bonds that join deoxyribose molecules?
a. Site A
b. Site B
c. Site C
d. Site D
e. The site of the covalent bonding is not labeled.
B
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Distinguish between a circadian clock and circadian rhythm
What will be an ideal response?
High stomach acidity
a. creates ideal conditions for carbohydrate digestion. b. promotes emulsification of fats. c. favors protein digestion. d. blocks the release of histamine, thereby favoring production of peptic ulcers. e. converts lipases into their active forms.
Anaerobic respiration occurs in environments without oxygen. In doing so, some organisms have evolved mechanisms to produce ATP by using other ________ acceptors.
A. proton B. phosphate group C. NADPH D. electron E. fermentation
Which of the following is a microbial product used to reduce crop damage?
A) Bt toxin B) saxitoxin C) ice-minus D) both Bt toxin and ice-minus E) both Bt toxin and saxitoxin