Test Bank for Biochemistry: Concepts and Connections 2nd Edition | Complete Chapters | Verified Questions & Answers

TEST BANK for Biochemistry:
3 3 3




Concepts and Connections, 2nd Edition
3 3 3 3 3




by Dean Appling
3 3




COMPLETE3CHAPTERS31-
263WITH3VERIFIED3QUESTIONS3&3CORRECT3AN
SWERS|3A+3GRADED




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, Chapter313Biochemistry3and3the3Language3of3Chemistry

1) The3water3content3in3the3human3body3is3approximately3:

A) 90%.

B) 80%.

C) 70%.

D) 60%.

E) 50%.

Accurate3Answer:3C



2) The3four3most3abundant3chemical3elements3in3living3systems3are3:

A) hydrogen,3oxygen,3sulfur3and3phosphorus.

B) hydrogen,3carbon,3nitrogen3and3oxygen.

C) sodium,3potassium,3carbon3and3oxygen.

D) sodium,3potassium,3nitrogen3and3sulfur.

E) carbon,3nitrogen,3oxygen3and3potassium.3Accurate3Answer:3

B3Objective:31.2



3) Nearly3all3proteins3contain3:

A) cobalt.

B) phosphorus.

C) selenium.

D) sulfur.

E) none3of3the3above.3Accurate3Answer:3D3Objective:31.23Global3LO:3G7



4) Which3of3the3following3statements3is3FALSE?

A) Proteins3can3be3structural3components3of3cells.



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,B) Proteins3can3transmit3signals3between3cells.

C) Proteins3can3transport3molecules3within3cells3and3between3cells.

D) Proteins3can3be3both3hormones3and3hormone3receptors.

E) Proteins3are3the3only3biological3polymer3that3can3catalyze3biochemical3reactions.3Accura
te3Answer:3E

Objective:31.23Global3LO:3G7



5) Which3of3the3following3is3NOT3classed3as3a3lipid?

A) Cholesterol

B) Palmitic3acid

C) Glycerol

D) Phosphatidyl3serine

E) Triacylglycerol3Accurate3Answer:3C3Objective:31.23Global3LO:3G7



6) Amino3acids3and3simple3organic3compounds3like3carbon3dioxide3and3hydrogen3cyanide3cannot3
be3produced3without3the3use3of3enzymes.

Accurate3Answer:3FALSE3Objective:31.23Global3LO:3G7



7) Oxidation-
reduction3reactions,3which3are3the3basis3of3many3biochemical3reactions3and3pathways,3cannot3tak
e3place3in3the3absence3of3oxygen.

Accurate3Answer:3FALSE3Objective:31.23Global3LO:3G7



8) Many3biochemical3reactions3that3form3biopolymers3from 3monomeric3units3involve3the3removal3
of3water.

Accurate3Answer:3TRUE3Objective:31.23Global3LO:3G7



9) The3principle3component3of3a3biological3membrane3is3a3triglyceride.3Accurate3Answer:3FAL

SE3Objective:31.23Global3LO:3G7
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, 10) The3chemical3element
has3a3role3in3both3transfer3of3energy3as3well3as3in3the3structure3of3nucleic3acids.

Accurate3Answer:3phosphorus3Objective:31.23Global3LO:3G7



11) List3the3four3major3classes3of3biological3macromolecules.3Accurate3Answer:3lipids,3carbohydrate
s,3proteins,3nucleic3acids3Objective:31.2

Global3LO:3G7



12) An3amphipathic3molecule3provides3the3foundation3for3biological3membranes3because3they3have3bo
th3and functional3groups.

Accurate3Answer:3hydrophobic,3hydrophilic3Objective:31.2

3Global3LO:3G7




13) Genomics3is3concerned3with3the3entire
,3while3 is3focused3on3identifying3all3of3the3proteins3of3a3cell.

Accurate3Answer:3genome,3proteomics3Objective:31.53Glo

bal3LO:3G1




Chapter323The3Chemical3Foundation3of3Life:3Weak3Interactions3in3an3Aqueous3Envi
ronment

1) Each3of3the3following 3is3a3non-covalent3interaction3EXCEPT3:

A) a3hydrogen3bond.

B) a3carbon-hydrogen3bond.

C) the3interaction3between3an3amino3and3a3carboxylate3group.

D) a3van3der3Waals3interaction.

E) an3interaction3between3—

NH3+3and3a3water3molecule.3Accurate3Answer:3B3Objective:32.13Global3LO:3G7


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