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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, TestBank: LehningerPrinciplesofBiochemistry, 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:
fe



A) cell envelope. fe



B) cell membrane. fe



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


2. A major change occurring in the evolution of eukaryotes from prokaryotes was
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f the e



development of: fe



A) DNA.
B) photosynthetic capability. f e



C) plasma membranes. f e



D) ribosomes.
E) the nucleus. f e




3. In eukaryotes, the nucleus is enclosed by a double membrane called
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the:
f e



A) cell membrane. fe



B) nuclear envelope. fe



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 upper
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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. f e f e fe f e



B) 0.3 m to 30 m. f e f e fe f e



C) 0.3 m to 100 m. f e f e fe f e



D) 1 m to 100 m. f e f e fe f e




E) 1 m to 300 m. f e f e fe f e




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,5. Which group of single-celled microorganisms has many members found growing
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f in e



extreme environments? f e



A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None of the answers is correct. fe f e f e f e f e




6. The bacterium E. coli requires simple organic molecules for growth and
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energy— it is
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therefore a: fe



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 fe f e



reticulum fe



B) peroxisomes, lysosomes, plasma membrane fe f e f e



C) proteasomes, peroxisomes, lysosomes f e fe



D) mitochondria, endoplasmic reticulum, fe fe



peroxisomes fe



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?
f e



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 f e f e f e f e f e f e f e



E) protein < ribosome < mitochondrion < amino acid f e f e f e fe f e f e f e




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? fe




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, A) carbon-carbon bonds fe



B) hydrogen bonds fe



C) hydrophobic interactions fe



D) ionic interactions f e



E) van der Waals interactions fe f e f e



10. Which element is NOT among the four most abundant in living
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f organisms?
e



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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give which
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geometry?
A) linear
B) tetrahedral
C) trigonal bipyramidal fe



D) trigonal planar fe



E) trigonal pyramidal fe




12. What functional groups are present on this
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molecule?
fe




A) ether and aldehyde fe f e



B) hydroxyl and aldehyde fe f e



C) hydroxyl and carboxylic acid f e fe f e



D) hydroxyl and ester fe f e



E) hydroxyl and ketone fe f e




13. The macromolecules that serve in the storage and transmission of genetic
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f information
e



are:
A) carbohydrates.




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