TEST BANK for Lehninger Principles of Biochemistry, 8th Edition by David Nelson; Michael Cox (All Chapters 1-28)

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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 i
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n the:
nm


A) cell envelope. n m


B) cell membrane. n m


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


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


A) DNA.
B) photosynthetic capability. n m


C) plasma membranes. n m


D) ribosomes.
E) the nucleus. n m




3. In eukaryotes, the nucleus is enclosed by a double membrane calle
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d the:
n m


A) cell membrane. n m


B) nuclear envelope. n m


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


4. The dimensions of living cells are limited, on the lower end by the minim
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um number of biomolecules necessary for function, and on the upper end
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by the rate of diffusion of
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solutes such as oxygen. Except for highly elongated cells, they usually have leng
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ths and diameters in the range of:
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A) 0.1 m to 10 m.n m nm nm n m


B) 0.3 m to 30 m.n m nm nm n m


C) 0.3 m to 100 m.
n m nm nm n m


D) 1 m to 100 m.
n m n m nm n m


E) 1 m to 300 m.
n m n m nm n m




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,5. Which group of single-
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celled microorganisms has many members found growing
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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 e
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nergy—it is nm


therefore a: nm


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 reticulu n m n m n m


m
B) peroxisomes, lysosomes, plasma membrane nm n m n m


C) proteasomes, peroxisomes, lysosomes nm n m


D) mitochondria, endoplasmic reticulum, peroxiso nm nm nm


mes
E) All of the answers are correct.
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8. Which list has the cellular components arranged in order of INCREASI
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NG size?
n m


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-
nm


dimensional structure of macromolecules is formed and maintained primarily t
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hrough noncovalent interactions. Which one of the following is NOT consi
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dered a nm




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, noncovalent interaction? n m




A) carbon-carbon bonds nm


B) hydrogen bonds nm


C) hydrophobic interactions n m


D) ionic interactions n m


E) van der Waals interactions
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10. Which element is NOT among the four most abundant in livi
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ng 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 t
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o give which
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geometry?
A) linear
B) tetrahedral
C) trigonal bipyramidal nm


D) trigonal planar nm


E) trigonal pyramidal nm




12. What functional groups are present on thi
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s molecule?
nm




A) ether and aldehyde
nm n m


B) hydroxyl and aldehyde n m n m


C) hydroxyl and carboxylic acidn m nm n m


D) hydroxyl and ester nm n m


E) hydroxyl and ketone n m n m




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