Test Bank for Lehninger Principles of Biochemistry, 7th Edition by David L. Nelson Table of Contents 1. The Foundations of Biochemistry 2. Water 3. Amino Acids, Peptides, and Proteins 4. The Three-Dimensional Structure of Proteins 5. Protein Function 6. Enzymes 7. Carbohydrates and Glycobiology 8. ...
1. In ita itbacterial itcell, itthe itDNA i t is itin itthe:
A) cell itenvelope.
B) cell itmembrane.
C) nucleoid.
D) nucleus.
E) ribosomes.
2. A itmajor itchange itoccurring itin itthe itevolution itof iteukaryotes itfrom itprokaryotes itwas
itthe itdevelopment itof:
A) DNA.
B) photosynthetic itcapability.
C) plasma itmembranes.
D) ribosomes.
E) the itnucleus.
3. In iteukaryotes, itthe itnucleus itis itenclosed itby ita itdouble itmembrane itcalled itthe:
A) cell itmembrane.
B) nuclear itenvelope.
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
A) carbon-carbon itbonds
B) hydrogen itbonds
C) hydrophobic itinteractions
D) ionic itinteractions
E) van itder itWaals itinteractions
10. Which itelement itis itNOT itamong itthe itfour itmost itabundant itin itliving itorganisms?
A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus
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11. The itfour itcovalent itbonds itin itmethane it(CH4) itare itarranged itaround itcarbon itto itgive
itwhich itgeometry?
A) linear
B) tetrahedral
C) trigonal itbipyramidal
D) trigonal itplanar
E) trigonal itpyramidal
12. What itfunctional itgroups itare itpresent iton itthis itmolecule?
A) ether itand it aldehyde
B) hydroxyl itand italdehyde
C) hydroxyl itand itcarboxylic itacid
D) hydroxyl itand itester
E) hydroxyl itand itketone
13. The itmacromolecules itthat itserve itin itthe itstorage itand ittransmission itof itgenetic
itinformation itare:
A) carbohydrates.
B) lipids.
C) membranes.
D) nucleic itacids.
E) proteins.
14. Stereoisomers itthat itare itnonsuperimposable itmirror itimages itof iteach itother itare itknown itas:
A) anomers.
B) cis-trans itisomers.
C) diastereoisomers.
D) enantiomers.
E) geometric itisomers.
15. The itcatalog itof itall itproteins itfunctioning itin ita itcell it is itthe:
A) metabolome.
B) proteasome.
C) lysosome.
D) proteome.
E) genome.
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