DNA and Protein Synthesis
CHAPTER 10
1. The monomer of DNA is
25%
25%
25%
2
3
25%
Fatty acid
2. Nucleotide
3. Glucose
4. Amino acid
1.
1
4
2. The enzyme that unzips DNA in
replication is
25%
25%
25%
2
3
25%
1. RNA polymerase
2. DNA polymerase
3. Helicase
4. Binding protein
1
4
3.
The sides of DNA consist of
25%
25%
25%
2
3
25%
1. Base and sugar
2. Base and phosphate
3. Phosphate and sugar
4. Phosphate and amino
1
4
4.
The purines are
25%
25%
25%
2
3
25%
1. Adenine and guanine
2. Cytosine and adenine
3. Adenine and thymine
4. Cytosine and guanine
1
4
5.
The base pairings are
25%
25%
25%
2
3
25%
1. A and G, C and T
2. A and T, C and G
3. A and C, G and T
4. None of these are
correct
1
4
6. DNA replication occurs when
1. New cells are being
25%
25%
25%
2
3
25%
formed
2. Gametes are being
formed
3. A cell dies
4. Both 1 and 2 are correct
1
4
7. Who was awarded with the
discovery of the structure of DNA?
20%
20%
20%
2
3
20%
20%
1. Rosalind Franklin
2. Francis Crick
3. James Watson
4. Gregor Mendel
5. Both 2 and 3
1
4
5
8.
Where does replication unzip?
25%
25%
25%
2
3
25%
1. At the end of the DNA molecule being
copied
2. A Point on the DNA molecule in which
the helicase is unzipping the DNA
3. An Attachment of DNA polymerase to
the old DNA strand
4. None of these are correct
1
4
9. Mistakes in the DNA code are
called
25%
25%
25%
2
3
25%
1. Errors
2. Mistakes
3. Mutations
4. mishaps
1
4
10. Where is DNA found in the
cell?
25%
25%
25%
2
3
25%
1. Cytoplasm
2. Lysosome
3. Vacuole
4. nucleus
1
4
11.
it
RNA differs from DNA in that
1. Single stranded and
2.
3.
4.
5.
20%
20%
20%
2
3
20%
20%
not double stranded
Contains ribose and
not deoxyribose
Contains thymine and
not uracil
1 and 2 are correct
All are correct
1
4
5
12. The function of
RNA is to
1. Bring an amino acid to the
ribosome
2. Make up the ribosome
structure
3. Copy the DNA code and
bring it to the ribosome
4. Copy the DNA code and
bring it to the
mitochondria
25%
1
Messenger
25%
25%
2
3
25%
4
13.
tRNA is shaped like a
25%
25%
25%
2
3
25%
1. Square
2. Circle
3. Oval
4. cloverleaf
1
4
14. Protein synthesis takes
place at the
25%
25%
25%
2
3
25%
1. Nucleus
2. vacuole
3. Mitochondria
4. Ribosome
1
4
15.
Genes in your DNA make
1. Carbohydrates
17%
17%
17%
17%
3
4
17%
17%
2. Lipids
3. Nucleic Acids
4. Protein
5. Both 1 and 2
6. Both 3 and 4
1
2
5
6
16. tRNA molecules carry_____ to
the ______
25%
25%
25%
2
3
25%
1. DNA, nucleus
2. DNA, ribosome
3. Amino acids, ribosome
4. Amino acids, nucleus
1
4
17. How many bases must a gene
contain to code for a protein with
500 amino acids?
25%
25%
25%
2
3
25%
1. 250
2. 499
3. 1000
4. 1500
1
4
18. The process of mRNA making a
copy of DNA is called
25%
25%
25%
2
3
25%
1. Replication
2. Transcription
3. Translation
4. None of these
1
4
19. A purine will always match
with a purine
50%
50%
1. True
2. False
1
2
20. If the DNA code is ACGTTTACG,
what is mRNA
25%
25%
25%
2
3
25%
1. AGCAAATGC
2. TCGTTTACG
3. UGCAAAUGC
4. UGCAAATGC
1
4
21. The types of bonds that form
between the sides of the ladder are
25%
25%
25%
2
3
25%
1. Covalent
2. Hydrogen
3. Ionic
4. Polar covalent
1
4
22.The start codon is
25%
25%
25%
2
3
25%
1. Threonine
2. Valine
3. Methionine
4. serine
1
4
23. Each strand of mRNA codes for
1 amino acid
50%
50%
1. True
2. False
1
2
24. Which of the following is
NOT part of DNA?
25%
25%
25%
25%
1. Phosphate
2. Deoxyribose sugar
3. Glucose
4. Nitrogen bases
1
2
3
4
25. During the process of
transcription
1. DNA replicate
25%
25%
25%
25%
2. Proteins are formed
3. mRNA is assembled
4. Cell division occurs
1
2
3
4
26. The amino acids needed for
protein synthesis come from
1. Start codons
20%
20%
20%
2
3
20%
20%
2. tRNA
3. Triplet code
4. The food you eat
5. The template
1
4
5
27. Ribosomes attach to this
structure(s)
1. DNA
20%
20%
20%
2
3
20%
20%
2. mRNA
3. tRNA
4. Both DNA and
mRNA
5. Both mRNA and
tRNA
1
4
5
28. Structure(s) made up of
nucleotides
25%
25%
25%
25%
1. DNA
2. mRNA
3. tRNA
4. All of the above
1
2
3
4
29. What structure(s) contain
ribose sugar?
20%
20%
20%
2
3
20%
20%
1. DNA
2. mRNA
3. tRNA
4. Both 1 and 2
5. Both 2 and 3
1
4
5
30. Can contain the code for
protein synthesis?
1. DNA
17%
17%
17%
17%
2
3
4
17%
17%
2. mRNA
3. tRNA
4. Both 1 and 2
5. Both 2 and 3
6. All of the above
1
5
6
31. During DNA replication, a
portion of the molecule unzips
and DNA nucleotides join with
any DNA nucleotides present in
the nucleus..
50%
50%
1. True
2. False
1
2
32. The during the formation
of a DNA replication splits
during which process?
25%
25%
25%
25%
1. Transcription
2. Regulation
3. Translation
4. DNA replication
1
2
3
4
33. What enzyme start DNA
replication?
20%
20%
20%
2
3
20%
20%
1. Helicase
2. DNA polymerase
3. RNA polymerase
4. All of the above
5. None of these
1
4
5
34. Uracil is a pyrimidine.
50%
50%
1. True
2. False
1
2
35. A DNA molecule is
20%
20%
20%
2
3
20%
20%
1. Double-stranded
2. Single-stranded
3. Like a ladder
4. Both 1 and 2
5. Both 1 and 3
1
4
5
36. The point on mRNA at which
protein synthesis begins is called
the
25%
25%
25%
2
3
25%
1. Start codon
2. Stop codon
3. Translation site
4. Transcription site
1
4
37. Transcription happens in
the
1. Cytoplasm
25%
25%
25%
25%
2. Nucleus
3. Mitochondria
4. ribsome
1
2
3
4
38. DNA replication is
controlled by
20%
20%
20%
2
3
20%
20%
1. Codons
2. RNA
3. Ribosomes
4. The nucleus
5. Enzymes
1
4
5