Connections 1st Edition by Dean R. Appling
,Biochemistry: nConcepts nand nConnections n(Appling net nal.)
nChapter n1 n n Biochemistry nand nthe nLanguage nof
nChemistry
1) The nwater ncontent nin nthe nhuman nbody nis napproximately:
A) 90%.
B) 80%.
C) 70%.
D) 60%.
E) 50%.
Answer: n C
2) The nfour nmost nabundant nchemical nelements nin nliving nsystems nare:
A) hydrogen, noxygen, nsulfur nand nphosphorus.
B) hydrogen, ncarbon, nnitrogen nand noxygen.
C) sodium, npotassium, ncarbon nand noxygen.
D) sodium, npotassium, nnitrogen nand nsulfur.
E) carbon, nnitrogen, noxygen nand
npotassium. nAnswer: n B
Objective: n 1.2
3) Nearly nall nproteins ncontain:
A) cobalt.
B) phosphorus.
C) selenium.
D) sulfur.
E) none nof nthe
nabove. nAnswer: n D
nObjective: n 1.2
nGlobal nLO: n G7
4) Which nof nthe nfollowing nstatements nis nFALSE?
A) Proteins ncan nbe nstructural ncomponents nof ncells.
B) Proteins ncan ntransmit nsignals nbetween ncells.
C) Proteins ncan ntransport nmolecules nwithin ncells nand nbetween ncells.
D) Proteins ncan nbe nboth nhormones nand nhormone nreceptors.
E) Proteins nare nthe nonly nbiological npolymer nthat ncan ncatalyze nbiochemical
nreactions. nAnswer: n E
,Objective: n 1.2
nGlobal nLO:
n G7
, 5) Which nof nthe nfollowing nis nNOT nclassed nas na nlipid?
A) Cholesterol
B) Palmitic nacid
C) Glycerol
D) Phosphatidyl nserine
E) Triacylglycerol
nAnswer: n C
nObjective: n 1.2
nGlobal nLO: n G7
6) Amino nacids nand nsimple norganic ncompounds nlike ncarbon ndioxide nand nhydrogen ncyanide
ncannot nbe nproduced nwithout nthe nuse nof nenzymes.
Answer: n FALSE
nObjective: n 1.2
nGlobal nLO: n G7
7) Oxidation-reduction nreactions, nwhich nare nthe nbasis nof nmany nbiochemical nreactions
nand npathways, ncannot ntake nplace nin nthe nabsence nof noxygen.
Answer: n FALSE
nObjective: n 1.2
nGlobal nLO: n G7
8) Many nbiochemical nreactions nthat nform nbiopolymers nfrom nmonomeric nunits ninvolve
nthe nremoval nof nwater.
Answer: n TRUE
nObjective: n 1.2
nGlobal nLO: n G7
9) The nprinciple ncomponent nof na nbiological nmembrane nis na
ntriglyceride. nAnswer: n FALSE
Objective: n 1.2
nGlobal nLO:
n G7
10) The nchemical nelement n has na nrole nin nboth ntransfer nof nenergy nas nwell nas nin
nthe nstructure nof nnucleic nacids.
Answer:
n phosphorus
nObjective: n 1.2
nGlobal nLO: n G7
11) List nthe nfour nmajor nclasses nof nbiological
nmacromolecules. nAnswer: n lipids, ncarbohydrates, nproteins,
nnucleic nacids nObjective: n 1.2
Global nLO: n G7