The structure of plasma membrane
Science
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7 questions
Question 1
Multiple Choice
10 points
What term refers to a property of a fatty acid chains of a phospholipid?
A.Hydrophilic
B.Hydrophobic
C.Nonpolar
D.Nonpolar and hydrophobic
Question 2
Multiple Choice
10 points
Which of the following best describes and integral protein?
A. A protein attached to the surface of the membrane
B.A protein embedded in the phospholipid bilayer
C.A protein attached to the inner surface of the membrane
D.A protein attached to the outer surface of the membrane
Question 3
Multiple Choice
10 points
Which of the following is a term describing a protein attached to the surface of the membrane
A.Peripheral protein
B.Integral protein
C.Anchored protein
D.Transmembrane protien
Question 4
Multiple Choice
10 points
A.A= Transmembrane protein, B=Cholesterol, C=fatty acid chains, D=peripheral protien
B.A= integral protein, B= cholesterol, c=phospholipid, D= peripheral protein
C.A=integral protein, B=glycoprotein, C=phospholipid, D= cholesterol
D.A= peripheral protein, B= cholesterol, C= phospholipid, D= integral protein
Question 5
Multiple Choice
10 points
Which part of plasma membrane responsible for preventing the free movement of ions in and out of the cell
A.channel protein
B.gylcoprotein
C.Cholesterol
D.Phospholipid bilayer
Question 6
Multiple Choice
10 points
Which statement is characteristic of diffusion of oxygen through membranes?
A.Molecules are transported through channel proteins
B.Molecules move down a concentration gradient.
C.molecules pass through the phospholipid bilayer
D.Both B and C
Question 7
Multiple Choice
10 points
Which of the following help maintains the structure of plasma membrane?
A.Hydrophobic interactions with phosphate heads
B.Hydrophilic interactions between water and fatty acids
C.Hydrophobic interactions between fatty acid chains
D.Hydrophilic interaction between phosphate heads are water