Basic Protein Synthesis
Name:
1.
Date:
A portion of a DNA molecule is represented by
5.
Select the nucleic acid molecules, chosen from the
list below, that is best described by the statement
shown.
Contains thymine
A.
DNA, only
B.
Messenger RNA, only
C.
Transfer RNA, only
D. DNA, messenger RNA, and transfer RNA
A.
2.
2
C.
3
6.
D. 4
Select the nucleic acid molecules, chosen from the
list below, that is best described by the statement
shown.
1
B.
2
C.
3
Carries instructions from the nucleus to the
cytoplasm
D. 4
The messenger RNA codon for methionin is
A.
4.
B.
A portion of a messenger RNA molecule is
represented by
A.
3.
1
TAC
B.
UAC
C.
ATG
D. AUG
A.
DNA, only
B.
Messenger RNA, only
C.
Transfer RNA, only
D. DNA, messenger RNA, and transfer RNA
Select the nucleic acid molecules, chosen from the
list below, that is best described by the statement
shown.
7.
Select the term, chosen from the list below, that is
best described by the statement shown.
A particular sequence of neucleotide triplets
that determines the order of amino acids
assembled during protein synthesis
Combines directly with amino acids
A.
DNA, only
B.
Messenger RNA, only
C.
Transfer RNA, only
D. DNA, messenger RNA, and transfer RNA
8.
page 1
A.
Genetic Code
B.
Gene pool
C.
Gene mutation
D. Genotype
During protein synthesis, amino acids in the
cytoplasm are picked up by molecules of
A.
transfer RNA
B.
messenger RNA
C.
mitochondrial DNA
D. nuclear DNA
9.
Structure X represents
12.
A.
the base uracil
B.
a deoxyribose sugar
A.
nucleotide
B.
C.
a glucose sugar
C.
monosaccharide
D. polysaccharide
D. a phosphate sugar
10.
13.
The sequence of amino acids that make up a
protein molecule is determined by the sequence of
A.
nitrogenous bases in DNA
B.
sugars in RNA
C.
cytoplasmic genes in the nucleus
14.
D. ribosomes on the endoplasmic reticulum
11.
Shown are some cell structures and events
associated with enzyme synthesis. The long chain
of molecules indicated by letter Y is known as a
The process represented in the diagram occurs on
the cell organelle known as a
15.
A.
vacuole
B.
C.
chloroplast
D. mitochondrion
polypeptide
Shown are some cell structures and events
associated with enzyme synthesis. The codon that
bonds with the structure indicated by X is
A.
U-A-G
B.
G-T-U
C.
U-T-G
D. G-A-U
Shown are some cell structures and events
associated with enzyme synthesis. The codon that
bonds with the structure indicated by X is
A.
U-A-G
B.
G-T-U
C.
U-T-G
D. G-A-U
Shown are some cell structures and events
associated with enzyme synthesis. The codon that
bonds with the structure indicated by X is
A.
U-A-G
B.
G-T-U
C.
U-T-G
D. G-A-U
ribosome
page 2
Basic Protein Synthesis
16.
18.
Select the nucleic acid component, chosen from
the diagrams shown, that is best described by the
statement:
The diagram represents molecules invovled in
protein synthesis.
Represents transfer RNA
A.
B.
C.
D.
In plant cells, molecule 1 is found in the
19.
17.
The correct order of molecules involved in protein
synthesis is
A.
messenger RNA, transfer RNA, DNA,
polypeptide
B.
DNA, messenger RNA, polypeptide, transfer
RNA
C.
A.
centriole
B.
nucleus
C.
cell wall
D. lysosome
Molecule 3 is formed as a result of
A.
deamination
B.
dehydration synthesis
C.
enzymatic hydrolysis
D. oxidation
20.
transfer RNA, polypeptide, DNA, messenger
RNA, DNA
Messenger RNA (mRNA) Codes
for Selected Amino Acids
Amino Acid
Leucine
D. DNA, messenger RNA, transfer RNA,
polypeptide
Arginine
mRNA Code
C–C–A
C–G–A
Phenylalanine
U–U–U
Lysine
A–A–A
Valine
G–U–U
Which base sequence of a DNA molecule produces
a codon on an mRNA molecule that will allow
the amino acid arginine to be incorporated into a
protein?
page 3
A.
C–G–A
B.
G–C–T
C.
C–G–U
D. G–C–U
Basic Protein Synthesis
21.
Base your answer(s) to the following question(s)
on the diagram and graph below and on your
knowledge of biology. The diagram represents the
human digestive system. Pepsin and trypsin are
human digestive enzymes.
Pepsin and trypsin are classi ed as
A.
sugars
B.
carbohydrates
C.
lipids
D. proteins
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Basic Protein Synthesis