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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the:
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A) cell envelope. ni


B) cell membrane. ni


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


2. A major change occurring in the evolution of eukaryotes from prokaryotes was
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n the i


development of: ni


A) DNA.
B) photosynthetic capability. ni


C) plasma membranes. ni


D) ribosomes.
E) the nucleus. ni




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


B) nuclear envelope. ni


C) nucleolus.
D) nucleoplasm.
E) nucleosome.


4. The dimensions of living cells are limited, on the lower end by the
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minimum number of biomolecules necessary for function, and on the
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niupper end by the rate 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. ni ni ni ni


B) 0.3 m to 30 m. ni ni ni ni


C) 0.3 m to 100 m. ni ni ni ni


D) 1 m to 100 m. ni ni ni ni


E) 1 m to 300 m. ni ni ni ni




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,5. Which group of single-celled microorganisms has many members found
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growing in
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extreme environments? ni


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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nienergy— it is ni ni


therefore a: ni


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 ni ni


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


C) proteasomes, peroxisomes, lysosomes ni ni


D) mitochondria, endoplasmic reticulum, ni ni


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
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INCREASING 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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primarily through noncovalent interactions. Which one of the following is
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NOT considered a
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noncovalent interaction? ni




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, A) carbon-carbon bonds ni


B) hydrogen bonds ni


C) hydrophobic interactions ni


D) ionic interactions ni


E) van der Waals interactions
ni ni n i


10. Which element is NOT among the four most abundant in living
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n organisms?
i


A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus


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


D) trigonal planar ni


E) trigonal pyramidal ni




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 ni ni


C) hydroxyl and carboxylic acid
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D) hydroxyl and ester ni ni


E) hydroxyl and ketone ni ni




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




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