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BCH 361 CH 1 Test Study Questions with 100% Correct Verified Solutions| Latest Update
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BCH 361 CH 1 Test Study Questionswith 100% Correct Verified Solutions|
Latest Update
A key characteristic of lipids results from the fact that they:
a) contain both negative and positive charges.
b) are both hydrophobic and hydrophilic.
c) exist as polymers.
d) contain hydrocarbon chains that can interact with water. - Answer b
Which of the following statements is NOT true of the plasma membrane?
a) It surrounds the cytoplasm.
b) It is selectively permeable.
c) It contains a hydrophobic core made up of hydrocarbon chains.
d) It surrounds the nucleus. - Answer d
Fuel molecules undergo combustion in which cellular location?
a) cytoplasm
b) mitochondria
c) lysosomes
d) chloroplasts - Answer b
, During transcription, which of the following is NOT found associated with the
RNA polymerase at some point during the process?
a) the DNA double helix
b) the RNA-DNA hybrid helix
c) single-stranded RNA
d) the RNA-RNA hybrid helix - Answer d
Which of the following is NOT considered part of the cytoskeleton of a eukaryotic cell?
a) actin filaments
b) medium filaments
c) microtubules
d) intermediate - Answer b
In a liver cell protein Q is present in the cytoplasm. Which of the following statements is
TRUE of protein Q?
a) The gene encoding protein Q was expressed.
b) The gene encoding protein Q was transcribed in the cytoplasm.
c) The RNA for protein Q was translated by an ER-bound polymerase. - Answer The
gene encoding protein Q was expressed.
Which of the following statements is true of BOTH DNA replication and
DNA transcription?
a) During the process, the DNA double helix is separated into single-stranded regions.
b) During the process, only one single-stranded DNA region acts as a template.
c) An intermediate in the process is an RNA-DNA hybrid helix. - Answer a
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