Test Bank - Lehninger Principles of Biochemistry, 7th Edition (Nelson, 2024) Chapter 1-28 | All Chapters

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, Test Bank: Lehninger Principles of Biochemistry, 7th Editi
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on, David L. Nelson Chapters 1-28. dx dx dx dx dx




1. In a dx dx bacterial cell, the DNA is in th
dx dx dx dx dx dx


e:
A) cell envelope.
dx


B) cell membrane.
dx


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


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


he
development of: dx


A) DNA.
B) photosynthetic capability. dx


C) plasma membranes. dx


D) ribosomes.
E) the nucleus. dx




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


e:
A) cell membrane. dx


B) nuclear envelope. dx


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


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


of biomolecules necessary for function, and on the upper end by the rate of diffusio
x dx dx dx dx dx dx dx dx dx dx dx dx dx dx


n ofdx


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


nd diameters in the range of:
dx dx dx dx dx


A) 0.1 m to 10 m. dx dx dx dx


B) 0.3 m to 30 m. dx dx dx dx


C) 0.3 m to 100 m. dx dx dx dx


D) 1 m to 100 m. dx dx dx dx


E) 1 m to 300 m. dx dx dx dx




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,5. Which group of single-
dx dx dx


celled microorganisms has many members found growing in
dx dx dx dx dx dx dx


extreme environments?
dx


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




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


it is
dx


therefore a: dx


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


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


A) mitochondria, chromatin, endoplasmic reticulum dx dx dx


B) peroxisomes, lysosomes, plasma membrane dx dx dx


C) proteasomes, peroxisomes, lysosomes dx dx


D) mitochondria, endoplasmic reticulum, peroxisomes dx dx dx


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




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


e?
A) amino acid < protein < mitochondrion < ribosome
dx dx dx dx dx dx dx


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


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


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


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




9. The three-
dx


dimensional structure of macromolecules is formed and maintained primarily through
dx dx dx dx dx dx dx dx dx dx


noncovalent interactions. Which one of the following is NOT considered a
dx d x dx dx dx dx dx dx dx dx


noncovalent interaction? dx


A) carbon-carbon bonds dx




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, B) hydrogen bonds dx


C) hydrophobic interactions dx


D) ionic interactions dx


E) van der Waals interactions
dx dx dx


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


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


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


ch
geometry?
A) linear
B) tetrahedral
C) trigonal bipyramidal dx


D) trigonal planar dx


E) trigonal pyramidal dx




12. What functional groups are present on this molecule
dx dx dx dx dx dx dx


?




A) ether and aldehyde
dx dx


B) hydroxyl and aldehyde dx dx


C) hydroxyl and carboxylic acid
dx dx dx


D) hydroxyl and ester dx dx


E) hydroxyl and ketone dx dx




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


on
are:
A) carbohydrates.
B) lipids.




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