BMD-322 BIOCHEMISTRY 2 QUIZ 1
The relationship between ΔG°′ and ΔG is BEST described as: - Answer -differ from
standard state to physiological or actual concentrations of reactants and products.
Octadecatrienoic acid has how many double bonds? - Answer -3
Fructose can cyclize to: - Answer -both pyranose and furanose ring forms.
The notation 12:2 indicates which of the following about a fatty acid? - Answer -There
are 12 carbons in the chain with two double bonds.
Which of the following is true of a holoenzyme but not an apoenzyme?
A) Contains a cofactor
B) is catalytically inactive
C) Contains a denatured active site
D) contains more than one active site. - Answer -contains a cofactor
Triacylglycerol consists of fatty acids attached to: - Answer -one glycerol
Polar-head groups of phospholipids are esterified to what functional group? - Answer -
Phosphate
An ω-3 fatty acid has a:
A) Methyl gorup at the carboxyl end of the fatty acid
B) None of the answers are correct
C) Double bond the third carbon in from a carboxyl group
D) Methyl group on the third carbon of the chain
E) Triple bond on the third carbon from the methyl end of the fatty acid. - Answer -B)
None of the answers is correct
The backbone of a phospholipid is which of the following?
A) triacylglycerol
B) glucose
C) fatty acid chain
D) glycerol
E) cholesterol - Answer -D) Glycerol
If a pair of molecules could be related to each other as one of the following isomers,
which pair would allow one member to interconvert to the other member and not require
an enzyme to do it? - Answer -Anomer
An aldehyde and alcohol can react to form a: - Answer -Hemiacetal
The polar head group of phospholipids is found at which carbon of glycerol? - Answer -
C3
The relationship between ΔG°′ and ΔG is BEST described as: - Answer -differ from
standard state to physiological or actual concentrations of reactants and products.
Octadecatrienoic acid has how many double bonds? - Answer -3
Fructose can cyclize to: - Answer -both pyranose and furanose ring forms.
The notation 12:2 indicates which of the following about a fatty acid? - Answer -There
are 12 carbons in the chain with two double bonds.
Which of the following is true of a holoenzyme but not an apoenzyme?
A) Contains a cofactor
B) is catalytically inactive
C) Contains a denatured active site
D) contains more than one active site. - Answer -contains a cofactor
Triacylglycerol consists of fatty acids attached to: - Answer -one glycerol
Polar-head groups of phospholipids are esterified to what functional group? - Answer -
Phosphate
An ω-3 fatty acid has a:
A) Methyl gorup at the carboxyl end of the fatty acid
B) None of the answers are correct
C) Double bond the third carbon in from a carboxyl group
D) Methyl group on the third carbon of the chain
E) Triple bond on the third carbon from the methyl end of the fatty acid. - Answer -B)
None of the answers is correct
The backbone of a phospholipid is which of the following?
A) triacylglycerol
B) glucose
C) fatty acid chain
D) glycerol
E) cholesterol - Answer -D) Glycerol
If a pair of molecules could be related to each other as one of the following isomers,
which pair would allow one member to interconvert to the other member and not require
an enzyme to do it? - Answer -Anomer
An aldehyde and alcohol can react to form a: - Answer -Hemiacetal
The polar head group of phospholipids is found at which carbon of glycerol? - Answer -
C3
