Chapter 15 & 16 Quiz: CHEM 202, Summer WORLD
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Chapter 15 & 16 Quiz: CHEM 202, Summer WORLD
Question 1
Classify the following amino acid.
acidic
basic
neutral
Question 2
Classify the following amino acid.
acidic
basic
neutral
Question 3
Which amino acid has a five membered ring?
Proline
Cystine
Glycine
Lysine
Question 4
What is the charge on arginine at pH = 10.76?
1
0
+1
+2
Question 5
What is the charge on alanine at pH = 6.01?
2
1
0
+1
Question 6
Is the following amino acid R or S?
R
S
Question 7
A peptide bond is a link between what groups on the amino acids?
amino group of one to the carbonyl group of another
amino group of one to the amino group of another
carbonyl group of one to the carbonyl group of another
amino group of one to the carbonyl of the same acid
Question 8
What level of protein interaction is described by the sequence of amino acids?
primary
secondary
tertiary
quaternary
Question 9
Which of the following is an example of an unsaturated fatty acid?
Linolenic
Arachidic
Lauric
Myrisitc
Question 10
What fat has 16 carbons and is fully saturated?
Lauric acid
Oleic acid
Stearic acid
Palmitic acid
Question 11
What fat has 18 carbons and is fully saturated?
Myristic acid
Arachidic acid
Stearic acid
Palmitic acid
Question 12
which of the following has the lowest percent of linoleic acid?
corn oil
human fat
whale blubber
coconut oil
Question 13
Which of the following has the highest percent of unsaturated fat?
olive oil
peanut oil
lard
coconut oil
Question 14
Phospholipids make about about what percentage of cell membranes?
1020
3040
5060
7080
Question 15
Approximately how thick is the lipid bilayer of cell membranes?
0.25 nm
5.0 nm
0.75 nm
1.0 nm
Question 16
Classify the molecule below.
Purine
Pyrimidine
Question 17
Which of the following steps describes the process in which the DNA copies are made?
replication
transcription
translation
translocation
Question 18
Which step in protein synthesis involves the unwinding of the DNA helix and production of two new strands?
replication
transcription
translation
translocation
Question 19
How would you classify a molecule with the following chemical formula?
C12H24O2
protein/amino acid
carbohydrate
fat
nucleic acid
Question 20
How would you classify a molecule with the following chemical formula?
C16H30O2
protein/amino acid
carbohydrate
fat
nucleic acid
2022-08-08