1
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CHEM210- Biochemistry Questions and
Answers (100% Correct Answers) Already
Graded A+
What are three ways that biochemists study biological
organisms?—Ans: among-the relationship between structure and
function of biomolecules
-chemical reactions of organisms (metabolism)
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-communication with and among organisms
What is biochemistry?—Ans: the chemistry of life
Molecular arrangements—Ans: linear= 180 degrees
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trigonal planar= 120 degrees
trigonal pyramidal= 107.5 degrees
tetrahedral= 109.5 degrees
bent= 104.5 degrees
How many of the 90 naturally occurring elements are found in
living organisms?—Ans: less than 30 (small nonmetal in upper right
of the table)
smaller vs larger element bonds—Ans: smaller elements are
favored because they can form stable covalent bonds (strong),
the larger elements do not form stable covalent bonds
What elements is critical to all living things and is found in large
amounts?—Ans: Carbon
Organic vs inorganic chemistry—Ans: organic-study of carbon
based compounds, inorganic- study of compounds typically not
containing carbon
Carbon—Ans: -has 4 valence electron permitting it to form 4
bonds
, 2
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-forms long chains
-forms double and triple bonds
-forms ring compounds (cyclic compounds)
forms bonds w many other atoms including H, N, and O
Alkanes—Ans: Straight chain compounds with only carbon and
hydrogen
chemical and compounds formulas of the—Ans: methane= CH4,
CH4
ethane= C2H6, CH3CH3
propane= C3H8, CH3CH2CH3
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butane= C4H10, CH3CH2CH2CH3
pentane=C5H12, CH3CH2CH2CH2CH3
hexane=C6H14, CH3CH2CH2CH2CH2CH3
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heptane=C7H16, CH3CH2CH2CH2CH2CH2CH3
*starting from CH4 add one carbon and two hydrogens in the
chemical formula and add one CH2 in each with CH3 on both
ends
Four ways to draw organic molecules—Ans: chemical formula,
condensed formula, Kekule formula, and line bond formula
Functional group—Ans: Specific arrangement of atoms in a
compound that define the chemistry of the molecule and control
the properties of the compound
Alkene—Ans: carbon-carbon double bond
Alkyne—Ans: carbon-carbon triple bond
Alcohol—Ans: R-OH
Aldehyde—Ans: CHO (double bond btwn C and O)
Amide—Ans: CNO (double bond btwn C and O)
Amine—Ans: R-NH2
Aromatic (benzene)—Ans: carbon ring with alternating double
bonds
For Expert help and assignment solutions, +254707240657
CHEM210- Biochemistry Questions and
Answers (100% Correct Answers) Already
Graded A+
What are three ways that biochemists study biological
organisms?—Ans: among-the relationship between structure and
function of biomolecules
-chemical reactions of organisms (metabolism)
© 2025 Assignment Expert
-communication with and among organisms
What is biochemistry?—Ans: the chemistry of life
Molecular arrangements—Ans: linear= 180 degrees
Guru01 - Stuvia
trigonal planar= 120 degrees
trigonal pyramidal= 107.5 degrees
tetrahedral= 109.5 degrees
bent= 104.5 degrees
How many of the 90 naturally occurring elements are found in
living organisms?—Ans: less than 30 (small nonmetal in upper right
of the table)
smaller vs larger element bonds—Ans: smaller elements are
favored because they can form stable covalent bonds (strong),
the larger elements do not form stable covalent bonds
What elements is critical to all living things and is found in large
amounts?—Ans: Carbon
Organic vs inorganic chemistry—Ans: organic-study of carbon
based compounds, inorganic- study of compounds typically not
containing carbon
Carbon—Ans: -has 4 valence electron permitting it to form 4
bonds
, 2
For Expert help and assignment solutions, +254707240657
-forms long chains
-forms double and triple bonds
-forms ring compounds (cyclic compounds)
forms bonds w many other atoms including H, N, and O
Alkanes—Ans: Straight chain compounds with only carbon and
hydrogen
chemical and compounds formulas of the—Ans: methane= CH4,
CH4
ethane= C2H6, CH3CH3
propane= C3H8, CH3CH2CH3
© 2025 Assignment Expert
butane= C4H10, CH3CH2CH2CH3
pentane=C5H12, CH3CH2CH2CH2CH3
hexane=C6H14, CH3CH2CH2CH2CH2CH3
Guru01 - Stuvia
heptane=C7H16, CH3CH2CH2CH2CH2CH2CH3
*starting from CH4 add one carbon and two hydrogens in the
chemical formula and add one CH2 in each with CH3 on both
ends
Four ways to draw organic molecules—Ans: chemical formula,
condensed formula, Kekule formula, and line bond formula
Functional group—Ans: Specific arrangement of atoms in a
compound that define the chemistry of the molecule and control
the properties of the compound
Alkene—Ans: carbon-carbon double bond
Alkyne—Ans: carbon-carbon triple bond
Alcohol—Ans: R-OH
Aldehyde—Ans: CHO (double bond btwn C and O)
Amide—Ans: CNO (double bond btwn C and O)
Amine—Ans: R-NH2
Aromatic (benzene)—Ans: carbon ring with alternating double
bonds
