Test Bank For Lehninger Principles of Biochemistry 8th Edition By David L. Nelson; Michael M. Cox | 9781319228002 | | Chapter 1-28 | All Chapters with Answers and Rationals

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, Test Bank: Lehninger Principles of Biochemistry, 8th
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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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wthe:
A) cell envelope. w


B) cell membrane. w


C) nucleoid.
D) nucleus.
E) ribosomes.


2. A major change occurring in the evolution of eukaryotes from prokaryotes was
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w the
development of: w


A) DNA.
B) photosynthetic capability. w


C) plasma membranes. w


D) ribosomes.
E) the nucleus. w




3. In eukaryotes, the nucleus is enclosed by a double membrane called
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w the:
A) cell membrane. w


B) nuclear envelope. w


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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wnumber of biomolecules necessary for function, and on the upper end by the
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wrate of diffusion of
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solutes such as oxygen. Except for highly elongated cells, they usually have lengths
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w and diameters in the range of:
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A) 0.1 m to 10 m. w w w w


B) 0.3 m to 30 m. w w w w


C) 0.3 m to 100 m.w w w w


D) 1 m to 100 m.
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E) 1 m to 300 m.
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,5. Which group of single-celled microorganisms has many members found growing
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in
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extreme environments? w


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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w energy— it is w w


therefore a: w


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 w w


reticulum
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B) peroxisomes, lysosomes, plasma membrane w w w


C) proteasomes, peroxisomes, lysosomes w w


D) mitochondria, endoplasmic reticulum, w w


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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size?
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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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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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wprimarily through noncovalent interactions. Which one of the following is
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wNOT considered a w w


noncovalent interaction? w




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, A) carbon-carbon bonds w


B) hydrogen bonds w


C) hydrophobic interactions w


D) ionic interactionsw


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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w organisms?
A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus


11. The four covalent bonds in methane (CH4) are arranged around carbon to
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wgive which
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geometry?
A) linear
B) tetrahedral
C) trigonal bipyramidal w


D) trigonal planar w


E) trigonal pyramidal w




12. What functional groups are present on this
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wmolecule?




A) ether and aldehyde
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B) hydroxyl and aldehyde
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C) hydroxyl and carboxylic acid
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D) hydroxyl and ester w w


E) hydroxyl and ketone w w




13. The macromolecules that serve in the storage and transmission of genetic
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w information
are:
A) carbohydrates.




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