BIOL230 EXAM QUESTIONS AND
CORRECT DETAILED ANSWERS
|ALREADY GRADED A+
Carbon atoms are the most versatile building blocks of the molecules used by living
organisms because - Answer - ✔✔ each carbon atom acts as an intersection point from
which a molecule can branch off in up to 4 directions
Carboxyl is to _____ as _____ is to base. - Answer - ✔✔ acid...amino
Enantiomers are molecules that - Answer - ✔✔ are mirror images
Ethanol, propanol, and methanol are 3 simple alcohols. They can be grouped together
because they - Answer - ✔✔ all share the same functional group: a hydroxyl
From your knowledge of organic chem, you would predict that an abscisic acid (ABA)
molecule has a(n)_______group - Answer - ✔✔ carboxyl
How do these hydrocarbons differ? - Answer - ✔✔ One of these hydrocarbons is longer
than the other
How do these hydrocarbons differ? - Answer - ✔✔ One of these hydrocarbons is
branched
How do these hydrocarbons differ? - Answer - ✔✔ One of these hydrocarbons has a
double bond
How do these hydrocarbons differ? - Answer - ✔✔ One of these hydrocarbons has a
ring structure
How many hydrogen atoms can be attached to carbon A? - Answer - ✔✔ 3
How many hydrogen atoms can be attached to carbon B? - Answer - ✔✔ 1
The two compounds are related to each other by being _______. - Answer - ✔✔ 1)
organic compounds 2) hydrocarbons 3) double-bonded compounds 3) isomers 4) all of
the above****
These molecules are_______. - Answer - ✔✔ geometric isomers
Which is an organic molecule? - Answer - ✔✔ CH4
CORRECT DETAILED ANSWERS
|ALREADY GRADED A+
Carbon atoms are the most versatile building blocks of the molecules used by living
organisms because - Answer - ✔✔ each carbon atom acts as an intersection point from
which a molecule can branch off in up to 4 directions
Carboxyl is to _____ as _____ is to base. - Answer - ✔✔ acid...amino
Enantiomers are molecules that - Answer - ✔✔ are mirror images
Ethanol, propanol, and methanol are 3 simple alcohols. They can be grouped together
because they - Answer - ✔✔ all share the same functional group: a hydroxyl
From your knowledge of organic chem, you would predict that an abscisic acid (ABA)
molecule has a(n)_______group - Answer - ✔✔ carboxyl
How do these hydrocarbons differ? - Answer - ✔✔ One of these hydrocarbons is longer
than the other
How do these hydrocarbons differ? - Answer - ✔✔ One of these hydrocarbons is
branched
How do these hydrocarbons differ? - Answer - ✔✔ One of these hydrocarbons has a
double bond
How do these hydrocarbons differ? - Answer - ✔✔ One of these hydrocarbons has a
ring structure
How many hydrogen atoms can be attached to carbon A? - Answer - ✔✔ 3
How many hydrogen atoms can be attached to carbon B? - Answer - ✔✔ 1
The two compounds are related to each other by being _______. - Answer - ✔✔ 1)
organic compounds 2) hydrocarbons 3) double-bonded compounds 3) isomers 4) all of
the above****
These molecules are_______. - Answer - ✔✔ geometric isomers
Which is an organic molecule? - Answer - ✔✔ CH4
