Page 1 of 51
CHEM210 / CHEM 210 MODULES 1 - 8 & FINAL EXAMS:
(LATEST UPDATES STUDY BUNDLE
PACKAGE) BIOCHEMISTRY | QUESTIONS & ANSWERS
| GRADE A | 100% CORRECT - PORTAGE LEARNING
Biochemists study: .....ANSWER.....1. The relationship between
structure and function of biomolecules
2. Chemical reactions of organisms (metabolism)
3. Communication within and among organisms
Bulk Elements .....ANSWER.....make up more than 90% by mass of
living organisms, small, non-metal elements that form stable
covalent bonds.
H .....ANSWER.....a bulk element
Na .....ANSWER.....a bulk element
K .....ANSWER.....a bulk element
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Ca .....ANSWER.....a bulk element
Trace Elements .....ANSWER.....found in small amounts but are still
crucial for life, larger elements, metals and transition metals,
form ions instead of covalent bonds.
Bent .....ANSWER.....Bond angle is 104.5°, ex. water
Linear .....ANSWER.....Bond angle is 180°, common with triple
bonds, ex. carbon dioxide
Trigonal planar .....ANSWER.....Bond angle is 120°, common with
double bonds
Trigonal pyramidal .....ANSWER.....Bond angle is 107.5°, common
with nitrogen atoms
Tetrahedral .....ANSWER.....Bond angle is 109.5°, common with
carbon atoms that have all single bonds.
Organic chemistry .....ANSWER.....focuses on properties of carbon
compounds
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Carbon's unique properties .....ANSWER.....4 valence electrons
that can form 4 bonds with many other atoms
Structures carbon can form .....ANSWER.....polymers, cyclic
compounds, triple bonds, double bonds
Alkanes .....ANSWER.....straight chains of carbons surrounded by
hydrogens
Methane .....ANSWER.....CH4
Ethane .....ANSWER.....C2H6
Propane .....ANSWER.....C3H8 (g)
Butane .....ANSWER.....C4H10
Pentane .....ANSWER.....C5H12
Chemical formula for propane .....ANSWER.....C3H8
Condensed formula for propane .....ANSWER.....CH3CH2CH3
Kekule structure for propane .....ANSWER.....
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Line-bond formula for propane .....ANSWER.....
R .....ANSWER....."the rest of the molecule"
Alkene .....ANSWER.....
Alkyne .....ANSWER.....
Alcohol .....ANSWER.....
Aldehyde .....ANSWER.....
Amine .....ANSWER.....
Amide .....ANSWER.....
Benzene .....ANSWER.....
Carboxylic acid .....ANSWER.....
Ketone .....ANSWER.....
Thiol .....ANSWER.....
Biomolecule .....ANSWER.....molecules that are part of the cell or
are excreted by cells
CHEM210 / CHEM 210 MODULES 1 - 8 & FINAL EXAMS:
(LATEST UPDATES STUDY BUNDLE
PACKAGE) BIOCHEMISTRY | QUESTIONS & ANSWERS
| GRADE A | 100% CORRECT - PORTAGE LEARNING
Biochemists study: .....ANSWER.....1. The relationship between
structure and function of biomolecules
2. Chemical reactions of organisms (metabolism)
3. Communication within and among organisms
Bulk Elements .....ANSWER.....make up more than 90% by mass of
living organisms, small, non-metal elements that form stable
covalent bonds.
H .....ANSWER.....a bulk element
Na .....ANSWER.....a bulk element
K .....ANSWER.....a bulk element
,Page 2 of 51
Ca .....ANSWER.....a bulk element
Trace Elements .....ANSWER.....found in small amounts but are still
crucial for life, larger elements, metals and transition metals,
form ions instead of covalent bonds.
Bent .....ANSWER.....Bond angle is 104.5°, ex. water
Linear .....ANSWER.....Bond angle is 180°, common with triple
bonds, ex. carbon dioxide
Trigonal planar .....ANSWER.....Bond angle is 120°, common with
double bonds
Trigonal pyramidal .....ANSWER.....Bond angle is 107.5°, common
with nitrogen atoms
Tetrahedral .....ANSWER.....Bond angle is 109.5°, common with
carbon atoms that have all single bonds.
Organic chemistry .....ANSWER.....focuses on properties of carbon
compounds
,Page 3 of 51
Carbon's unique properties .....ANSWER.....4 valence electrons
that can form 4 bonds with many other atoms
Structures carbon can form .....ANSWER.....polymers, cyclic
compounds, triple bonds, double bonds
Alkanes .....ANSWER.....straight chains of carbons surrounded by
hydrogens
Methane .....ANSWER.....CH4
Ethane .....ANSWER.....C2H6
Propane .....ANSWER.....C3H8 (g)
Butane .....ANSWER.....C4H10
Pentane .....ANSWER.....C5H12
Chemical formula for propane .....ANSWER.....C3H8
Condensed formula for propane .....ANSWER.....CH3CH2CH3
Kekule structure for propane .....ANSWER.....
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Line-bond formula for propane .....ANSWER.....
R .....ANSWER....."the rest of the molecule"
Alkene .....ANSWER.....
Alkyne .....ANSWER.....
Alcohol .....ANSWER.....
Aldehyde .....ANSWER.....
Amine .....ANSWER.....
Amide .....ANSWER.....
Benzene .....ANSWER.....
Carboxylic acid .....ANSWER.....
Ketone .....ANSWER.....
Thiol .....ANSWER.....
Biomolecule .....ANSWER.....molecules that are part of the cell or
are excreted by cells
