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Test Bank - Lehninger Principles of Biochemistry, 7th Edition (Nelson, 2018) Chapter 1-28 | All Chapters
Test Bank - Lehninger Principles of Biochemistry, 7th Edition (Nelson, 2018) 7th Edition | All Chapters
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Test Bank: Lehninger Principles of Biochemistry, 7thoo oo oo oo oo oo
Edition, David L. Nelson Chapters 1-28.
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1. In a bacterial cell, the DNA is in
oo oo oo oo oo oo oo
the:
oo
A) cell envelope. oo
B) cell membrane. oo
C) nucleoid.
D) nucleus.
E) ribosomes.
2. A major change occurring in the evolution of eukaryotes from prokaryotes was
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the
oo
development of: oo
A) DNA.
B) photosynthetic capability. oo
C) plasma membranes. oo
D) ribosomes.
E) the nucleus. oo
3. In eukaryotes, the nucleus is enclosed by a double membrane called
oo oo oo oo oo oo oo oo oo oo
the:
oo
A) cell membrane. oo
B) nuclear envelope. oo
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. The dimensions of living cells are limited, on the lower end by the minimum
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number of biomolecules necessary for function, and on the upper end by the rate
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of diffusion of
oo oo oo
solutes such as oxygen. Except for highly elongated cells, they usually have lengths
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and diameters in the range of:
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A) 0.1 m to 10 m. oo oo oo oo
B) 0.3 m to 30 m. oo oo oo oo
C) 0.3 m to 100 m. oo oo oo oo
D) 1 m to 100 m. oo oo oo oo
E) 1 m to 300 m. oo oo oo oo
Page 1 oo
,5. Which group of single-celled microorganisms has many members found
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oogrowing in oo
extreme environments?
oo
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None of the answers is correct.
oo oo oo oo oo
6. The bacterium E. coli requires simple organic molecules for growth and
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ooenergy—it is oo
therefore a: oo
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.
7. Which is a list of organelles?
oo oo oo oo oo
A) mitochondria, chromatin, endoplasmic reticulum oo oo oo
B) peroxisomes, lysosomes, plasma membrane oo oo oo
C) proteasomes, peroxisomes, lysosomes oo oo
D) mitochondria, endoplasmic reticulum, oo oo
peroxisomes
oo
E) All of the answers are correct.
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8. Which list has the cellular components arranged in order of INCREASING
oo oo oo oo oo oo oo oo oo oo
oosize?
A) amino acid < protein < mitochondrion < ribosome
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B) amino acid < protein < ribosome < mitochondrion
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C) amino acid < ribosome < protein < mitochondrion
oo oo oo oo oo oo oo
D) protein < amino acid < mitochondrion < ribosome
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E) protein < ribosome < mitochondrion < amino acid
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9. The three-dimensional structure of macromolecules is formed and maintained
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ooprimarily through noncovalent interactions. Which one of the following is NOT
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ooconsidered a oo
noncovalent interaction? oo
A) carbon-carbon bonds oo
Page 2 oo
, B) hydrogen bonds oo
C) hydrophobic interactions oo
D) ionic interactions oo
E) van der Waals interactions
oo oo oo
10. Which element is NOT among the four most abundant in living
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organisms?
oo
A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus
11. The four covalent bonds in methane (CH4) are arranged around carbon to give
oo oo oo oo oo oo oo oo oo oo oo oo
which
oo
geometry?
A) linear
B) tetrahedral
C) trigonal bipyramidal oo
D) trigonal planar oo
E) trigonal pyramidal oo
12. What functional groups are present on this
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molecule?
oo
A) ether and aldehyde
oo oo
B) hydroxyl and aldehyde oo oo
C) hydroxyl and carboxylic acid
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D) hydroxyl and ester oo oo
E) hydroxyl and ketone oo oo
13. The macromolecules that serve in the storage and transmission of genetic
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information
oo
are:
A) carbohydrates.
B) lipids.
Page 3 oo
, C) membranes.
D) nucleic acids.
oo
E) proteins.
14. Stereoisomers that are nonsuperimposable mirror images of each other are known
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ooas:
A) anomers.
B) cis-trans isomers.
oo
C) diastereoisomers.
D) enantiomers.
E) geometric isomers.oo
Page 4
oo
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