Test Bank For Lehninger Principles of Biochemistry, 7th Edition by Nelson | 9781464187964 | |Chapter 1-28 | All Chapters with Answers and Rationals

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, Test Bank: Lehninger Principles of Biochemistry, 7th
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Edition, David L. Nelson Chapters 1-28.
m m m m m m




1. In a bacterial cell, the DNA is in
m m m m m m m


mthe:
A) cell envelope. m


B) cell membrane. m


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


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


mthe
development of: m


A) DNA.
B) photosynthetic capability. m


C) plasma membranes. m


D) ribosomes.
E) the nucleus. m




3. In eukaryotes, the nucleus is enclosed by a double membrane called
m m m m m m m m m m


mthe:
A) cell membrane. m


B) nuclear envelope. m


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


4. The dimensions of living cells are limited, on the lower end by the minimum number
m m m m m m m m m m m m m m


mof biomolecules necessary for function, and on the upper end by the rate of
m m m m m m m m m m m m m


mdiffusion of m


solutes such as oxygen. Except for highly elongated cells, they usually have lengths
m m m m m m m m m m m m


mand diameters in the range of:
m m m m m


A) 0.1 m to 10 m. m m m m


B) 0.3 m to 30 m. m m m m


C) 0.3 m to 100 m. m m m m


D) 1 m to 100 m.
m m m m


E) 1 m to 300 m.
m m m m




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,5. Which group of single-celled microorganisms has many members found growing
m m m m m m m m m


m in
extreme environments?
m


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




6. The bacterium E. coli requires simple organic molecules for growth and energy—it
m m m m m m m m m m m


m is
therefore a: m


A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.


7. Which is a list of organelles?
m m m m m


A) mitochondria, chromatin, endoplasmic reticulum m m m


B) peroxisomes, lysosomes, plasma membrane m m m


C) proteasomes, peroxisomes, lysosomes m m


D) mitochondria, endoplasmic reticulum, peroxisomes m m m


E) All of the answers are correct.
m m m m m




8. Which list has the cellular components arranged in order of INCREASING
m m m m m m m m m m


msize?
A) amino acid < protein < mitochondrion < ribosome
m m m m m m m


B) amino acid < protein < ribosome < mitochondrion
m m m m m m m


C) amino acid < ribosome < protein < mitochondrion
m m m m m m m


D) protein < amino acid < mitochondrion < ribosome
m m m m m m m


E) protein < ribosome < mitochondrion < amino acid
m m m m m m m




9. The three-dimensional structure of macromolecules is formed and maintained
m m m m m m m m


mprimarily through noncovalent interactions. Which one of the following is NOT
m m m m m m m m m m


m considered a m


noncovalent interaction? m


A) carbon-carbon bonds m




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, B) hydrogen bonds m


C) hydrophobic interactions m


D) ionic interactionsm


E) van der Waals interactions
m m m


10. Which element is NOT among the four most abundant in living
m m m m m m m m m m


organisms?
m


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


11. The four covalent bonds in methane (CH4) are arranged around carbon to give
m m m m m m m m m m m m


which
m


geometry?
A) linear
B) tetrahedral
C) trigonal bipyramidal m


D) trigonal planar m


E) trigonal pyramidal m




12. What functional groups are present on this
m m m m m m


molecule?
m




A) ether and aldehyde
m m


B) hydroxyl and aldehyde
m m


C) hydroxyl and carboxylic acid
m m m


D) hydroxyl and ester m m


E) hydroxyl and ketone m m




13. The macromolecules that serve in the storage and transmission of genetic
m m m m m m m m m m


minformation
are:
A) carbohydrates.
B) lipids.




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