When treated with reagents that destroy _____________, the bacterial nucleoid will unfold
a. lipids only.
b. RNA only.
c. proteins only.
d. RNA or proteins.
e. RNA, proteins, or lipids.
Ans: d
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What will be an ideal response?Which particle is able to freely cross the plasma membrane?
a. Na+ b. Clc. oxygen d. glucose e. amino acids
One difference between tight junctions and dermatomes is that tight junctions:a
are regions where the plasma membrane from two neighboring cells are in actual contact. b. occur only in plants. c. involve connective microfilaments that traverse the space between adjacent cells. d. are anchored by microfilaments on the insides of the cell membranes of adjacent cells. e. contain a 24 nm space between two adjacent membranes.
Nucleic acids, proteins, and complex carbohydrates are all produced by
A) hydrolytic reactions. B) dehydration synthesis. C) exchange reactions. D) hydrogen bonding. E) catabolic reactions.