Test Bank for Lehninger Principles of Biochemistry 8th Edition by David L. Nelson 9781319228002 | Complete Guide A+

Page 1
lk

, Test Bank: Lehninger Principles of Biochemistry, 8th
lk lk lk lk lk lk




Edition, David L. Nelson Chapters 1-28.
lk lk lk lk lk lk




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


the:
lk


A) cell envelope. lk


B) cell membrane. lk


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


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


the
l k


development of: lk


A) DNA.
B) photosynthetic capability. lk


C) plasma membranes. lk


D) ribosomes.
E) the nucleus. lk




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


the:
l k


A) cell membrane. lk


B) nuclear envelope. lk


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


4. The dimensions of living cells are limited, on the lower end by the
lk l k l k l k l k lk l k l k lk l k l k lk


minimum number of biomolecules necessary for function, and on the
l k lk lk lk lk lk lk lk lk lk


lkupper end by the rate of diffusion of
lk lk lk lk lk lk lk


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


and diameters in the range of:
l k lk lk lk lk lk


A) 0.1 m to 10 m. lk lk lk lk


B) 0.3 m to 30 m. lk lk lk lk


C) 0.3 m to 100 m. lk lk lk lk


D) 1 m to 100 m. lk lk lk lk


E) 1 m to 300 m. lk lk lk lk




Page 2 lk

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


growing in
lk l k


extreme environments?lk


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




6. The bacterium E. coli requires simple organic molecules for growth and
lk lk lk lk lk lk lk lk lk lk


lkenergy— it is lk lk


therefore a: lk


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


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


A) mitochondria, chromatin, endoplasmic lk lk


reticulum
lk


B) peroxisomes, lysosomes, plasma membrane lk lk lk


C) proteasomes, peroxisomes, lysosomes lk lk


D) mitochondria, endoplasmic reticulum, lk lk


peroxisomes
lk


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




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


lkINCREASING size? l k


A) amino acid < protein < mitochondrion < ribosome
lk lk lk l k lk lk lk


B) amino acid < protein < ribosome < mitochondrion
lk lk lk l k lk lk lk


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


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


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




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


primarily through noncovalent interactions. Which one of the following is
lk lk lk lk l k lk lk lk lk lk


NOT considered a
lk lk lk


noncovalent interaction? lk




Page 3 lk

, A) carbon-carbon bonds lk


B) hydrogen bonds lk


C) hydrophobic interactions lk


D) ionic interactions lk


E) van der Waals interactions
lk lk lk


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


organisms?
l k


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


11. The four covalent bonds in methane (CH4) are arranged around carbon
lk lk lk lk lk lk lk lk lk lk


to give which
lk lk lk


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


D) trigonal planar lk


E) trigonal pyramidal lk




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


molecule?
lk




A) ether and aldehyde
lk lk


B) hydroxyl and aldehyde lk lk


C) hydroxyl and carboxylic acid
lk lk lk


D) hydroxyl and ester lk lk


E) hydroxyl and ketone lk lk




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


l kinformation
are:
A) carbohydrates.




Page 4 lk