TEST BANK LEHNINGER PRINCIPLES OF BIOCHEMISTRY 7TH EDITION (NELSON, 2018) CHAPTER 1-28 | ALL CHAPTERS
Test Bank for Lehninger Principles of Biochemistry 7th Edition by Nelson (complete, questions/answers/rationales) | Lehninger Principles of Biochemistry 7th Edition Nelson Test Bank
Test Bank: Lehninger Principles of Biochemistry, 7th Edition, David L. Nelson Chapters 1-28.
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Test Bank: Lehninger Principles of Biochemistry, 7th
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Edition, David L. Nelson Chapters 1-28.
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1. In a bacterial cell, the DNA is in
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the:
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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
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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
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the:
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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
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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?
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A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None of the answers is correct.
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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?
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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
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E) All of the answers are correct.
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8. Which list has the cellular components arranged in order of INCREASING
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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
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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
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10. Which element is NOT among the four most abundant in living
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organisms?
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A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus
11. The four covalent bonds in methane (CH4) are arranged around carbon to give
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which
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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?
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A) ether and aldehyde
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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
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are:
A) carbohydrates.
B) lipids.
Page 3 oo
, C) membranes.
D) nucleic acids.
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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.
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C) diastereoisomers.
D) enantiomers.
E) geometric isomers.oo
Page 4
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