Multiple Choice
Cell membranes contain transmembrane proteins, which span the lipid bilayer with portions of the protein protruding into the aqueous external and internal cellular environments. The protein regions that span the membrane are ____, while the regions that extend from the membrane are ____.
A) acidic; basic
B) fatty acids; phosphate groups
C) hydrophobic; hydrophilic
D) hydrophilic; hydrophobic
E) polar; nonpolar
Correct Answer:
Verified
Correct Answer:
Verified
Q27: Match the chemical reaction with the correct
Q28: Monosaccharides have a carbon-to-hydrogen-to-oxygen ratio of _.<br>A)1:1:1<br>B)1:1:2<br>C)2:1:1<br>D)1:2:1<br>E)1:2:2
Q29: Match the chemical reaction with the correct
Q30: Which part of a fatty acid is
Q31: Most vegetable oils are _.<br>A)liquid at room
Q33: The nucleotide that serves as an energy
Q34: A −COOH group is characteristic of _
Q35: Match the chemical reaction with the correct
Q36: An −OH group is characteristic of _
Q37: Amino acids are the building blocks for