13 Jun BIOL1111 – General Biology I Laboratory Assignment
Question
BIOL1111 General Biology I Laboratory Assignment 2
The following questions are based on the 15 molecules illustrated below. Each
molecule may be used once, more than once, or not at all.
1) Which molecule has both hydrophilic and hydrophobic properties and would be
found in plasma membranes?
A) 1
B) 5
C) 6
D) 12
E) 14
2) Which of the following combinations could be linked together to form a
nucleotide?
A) 1, 2, and 11
B) 3, 7, and 8
C) 5, 9, and 10
D) 11, 12, and 13
14, and 15
3) Which of the following molecules contain(s) an aldehyde type of carbonyl
functional group?
A) 1
B) 4
C) 8
D) 10
E) 1 and 4
E) 12,
4) Which molecule is glycerol? A) 1
B) 6
C) 10 D) 14 E) 15
5) Which molecule is a saturated fatty acid? A) 1 B) 5 C) 6 D) 8 E) 9
6) Which of the following molecules is a purine type of nitrogenous base?
A) 2
B) 3
C) 5
D) 12
E) 13
7) Which of the following molecules act as building blocks (monomers) of
polypeptides?
A) 1, 4, and 6
B) 2, 7, and 8
C) 7, 8, and 13
D) 11, 12, and 13
13, and 15
E) 12,
8) Which of the following molecules is an amino acid with a hydrophobic R group or
side chain?
A) 3
B) 7
C) 8
D) 12
E) 13
9) Which of the following molecules could be joined together by a peptide bond as
a result of a dehydration reaction?
A) 2 and 3
B) 3 and 7 C) 7 and 8 D) 8 and 9 E) 12 and 13
10) A fat (or triacylglycerol) would be formed as a result of a dehydration reaction
between
A) one molecule of 9 and three molecules of 10. B) three molecules of 9 and one
molecule of 10.
C) one molecule of 5 and three molecules of 9. D) three molecules of 5 and one
molecule of 9.
E) one molecule of 5 and three molecules of 10.
11) Which of the following molecules could be joined together by a phosphodiester
type of covalent bond?
A) 3 and 4
B) 3 and 8 C) 6 and 15 D) 11 and 12
E) 11 and 13
12) Which of the following molecules is the pentose sugar found in RNA?
A) 1
B) 4
C) 6
D) 12
E) 13
13) Which of the following molecules contains a glycosidic linkage type of covalent
bond?
A) 4
B) 6
C) 12
D) 13
E) 15
14) Which of the following molecules has a functional group that frequently forms
covalent bonds that maintain the
tertiary structure of a protein?
A) 2
B) 3
C) 7
D) 8
E) 9
15) Which of the following molecules consists of a hydrophilic "head" region and a
hydrophobic "tail" region?
A) 2
B) 5
C) 7
D) 9
E) 11
16) Which of the following statements is false?
A) Molecules 1 and 4 could be joined together by a glycosidic linkage to form a
disaccharide.
B) Molecules 9 and 10 could be joined together by ester bonds to form a
triacylglycerol.
C) Molecules 2 and 7 could be joined together to form a short peptide.
D) Molecules 2, 7, and 8 could be joined together to form a short peptide.
E) Molecules 14 and 15 could be joined together to form a polypeptide.
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