Thphospholipids of most membranes have
A) a hydrophobic head and a hydrophilic tail.
B) a hydrophobic head and a hydrophobic tail.
C) a hydrophobic head and two hydrophobic tails.
D) a hydrophilic head and two hydrophobic tails.
E) none of these.
Correct Answer:
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Q35: _ is (are) useto observwholliving cells.
A)A scanning
Q36: Which statement is TRUof plasma membranes?
A)They have
Q37: Hydrophobic interactions of thtails of phospholipids can
Q38: A hypothetical "microbullet" shot through a phospholipids
Q39: Threlativimpermeability of membranes to water solublmolecules is
Q41: Which arexamples of prokaryotes?
A)protozoa
B)bacteria
C)algae
D)fungi
E)mosses
Q42: On which of thfollowing arpolypeptidchains constructed?
A)Golgi bodies
B)mitochondria
C)chloroplasts
D)ribosomes
E)endoplasmic
Q43: Which of thfollowing molecules carries thgenetic information?
A)DNA
B)proteins
C)simple
Q44: Which of thfollowing terms CANNOT buseto characterizeukaryotic
Q45: Prokaryotic cells contain
I.ribosomes.
II.a circular DNA.
III.Golgi bodies.
A)I and
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