Bio 1201 Exam 1 UPDATED Questions
and CORRECT Answers
You increase the [OH-] in a solution by a factor of 10,000. The pOH will increase. - CORRECT
ANSWER - False
You increase the [OH-] in a solution by a factor of 10,000. The pH of the solution will increase. -
CORRECT ANSWER - True
You increase the [OH-] in a solution by a factor of 10,000.The [H+] of the solution will decrease
- CORRECT ANSWER - True
Which of the following functional groups is acidic?
ketone, carbonyl, carboxyl, methyl, aldehyde - CORRECT ANSWER - Carboxyl
Which of the highlighted functional groups represents an amino group.
II
III
IV
V
More than one of the above - CORRECT ANSWER -V
Which of the following functional groups is non-polar?
Hydroxyl
Carboxyl
Methyl
Dehydroxyl
Carbonyl - CORRECT ANSWER - Methyl
,Which of the groups of organic molecules below would be expected to contain Nitrogen?
nucleic acids
carbohydrates
none of the above
fatty acids
steroids - CORRECT ANSWER - Nucleic acids
During the synthesis of a triglyceride from glycerol and 3 fatty acids, which of the following will
also occur? Hint: think about how many bonds are required to do this.
3 molecules of water will be consumed
2 molecules of water will beproduced
1 molecule of water will be produced
3 molecules of water will be produced
1 molecule of water will be produced - CORRECT ANSWER - 3 molecules of water will
be produced
Which of these formulas represents a carbohydrate?
C6H12O2
C3H6O3
C4H8O2
C6H6O2
More than one of the above
None of the above - CORRECT ANSWER - C3H6O3
What is the most common (numerous) functional group on most monosaccharides?
carboxyl
phosphate
carbonyl
, hydroxyl
amino - CORRECT ANSWER - Hydroxyl
Which of the following is TRUE concerning unsaturated fatty acids?
-They are usually solid at room temperature.
-Their chains are usually straight.
-They have a lower ratio of Hydrogen to Carbon than saturated fatty acids.
-They have no double bonds between the carbon atoms of the fatty acids. - CORRECT
ANSWER - They have a lower ratio of Hydrogen to Carbon than saturated fatty acids.
A molecule characterized by a hydrophilic head group and two hydrophobic tails is a(an)
polysaccharide
steroid
phospholipid
amino acid
nucleotide - CORRECT ANSWER - phospholipid
A lipid molecule with four fused carbon rings is a
triglyceride
phospholipid
tertiary fat
polyunsaturated fat
steroid - CORRECT ANSWER - steroid
Which of the following would you find as part of the "R" group of a nonpolar amino acid?
-NH2
-PO4
-CH3
and CORRECT Answers
You increase the [OH-] in a solution by a factor of 10,000. The pOH will increase. - CORRECT
ANSWER - False
You increase the [OH-] in a solution by a factor of 10,000. The pH of the solution will increase. -
CORRECT ANSWER - True
You increase the [OH-] in a solution by a factor of 10,000.The [H+] of the solution will decrease
- CORRECT ANSWER - True
Which of the following functional groups is acidic?
ketone, carbonyl, carboxyl, methyl, aldehyde - CORRECT ANSWER - Carboxyl
Which of the highlighted functional groups represents an amino group.
II
III
IV
V
More than one of the above - CORRECT ANSWER -V
Which of the following functional groups is non-polar?
Hydroxyl
Carboxyl
Methyl
Dehydroxyl
Carbonyl - CORRECT ANSWER - Methyl
,Which of the groups of organic molecules below would be expected to contain Nitrogen?
nucleic acids
carbohydrates
none of the above
fatty acids
steroids - CORRECT ANSWER - Nucleic acids
During the synthesis of a triglyceride from glycerol and 3 fatty acids, which of the following will
also occur? Hint: think about how many bonds are required to do this.
3 molecules of water will be consumed
2 molecules of water will beproduced
1 molecule of water will be produced
3 molecules of water will be produced
1 molecule of water will be produced - CORRECT ANSWER - 3 molecules of water will
be produced
Which of these formulas represents a carbohydrate?
C6H12O2
C3H6O3
C4H8O2
C6H6O2
More than one of the above
None of the above - CORRECT ANSWER - C3H6O3
What is the most common (numerous) functional group on most monosaccharides?
carboxyl
phosphate
carbonyl
, hydroxyl
amino - CORRECT ANSWER - Hydroxyl
Which of the following is TRUE concerning unsaturated fatty acids?
-They are usually solid at room temperature.
-Their chains are usually straight.
-They have a lower ratio of Hydrogen to Carbon than saturated fatty acids.
-They have no double bonds between the carbon atoms of the fatty acids. - CORRECT
ANSWER - They have a lower ratio of Hydrogen to Carbon than saturated fatty acids.
A molecule characterized by a hydrophilic head group and two hydrophobic tails is a(an)
polysaccharide
steroid
phospholipid
amino acid
nucleotide - CORRECT ANSWER - phospholipid
A lipid molecule with four fused carbon rings is a
triglyceride
phospholipid
tertiary fat
polyunsaturated fat
steroid - CORRECT ANSWER - steroid
Which of the following would you find as part of the "R" group of a nonpolar amino acid?
-NH2
-PO4
-CH3
