Download DNA CFA B SB2. Students will analyze how biological traits are

DNA CFA
B
SB2. Students will analyze how biological traits are passed on to successive generations.
a. Distinguish between DNA and RNA.
b. Explain the role of DNA in storing and transmitting cellular information.
c. Using Mendel’s laws, explain the role of meiosis in reproductive variability.
d. Describe the relationships between changes in DNA and potential appearance of new
traits including
Alterations during replication.
Insertions
Deletions
Substitutions
Mutagenic factors that can alter DNA.
High energy radiation (x-rays and ultraviolet)
Chemical
1. The lagging strand of DNA is synthesized into small segments called
a. DNA ligase.
b. Okazaki fragments.
c. helicase.
d. DNA polymerase.
2. The enzyme that unzips and unwinds DNA during replication is
a. DNA ligase.
b. RNA polymerase.
c. helicase.
d. DNA polymerase.
3. The sequence of the template strand of DNA is AAGCTA. The nontemplate’s complementary strand is
a. CCGCAT
b. TTCGAT
c. TTGCAT
d. AACGAT
Match the term with the definition
4. DNA
a. ribonucleic acid
5. RNA
b. A=T, C=G
6. Chargaff’s Rule
c. a phosphate, a sugar and a base
7. double helix
d. “twisted ladder”
8. nucleotide
e. deoxyribonucleic acid
9. Once transcription has been completed, which of the following is NOT necessary for protein synthesis to occur?
a. tRNA
b. ribosomes
c. mRNA
d. DNA
10. Which site of the tRNA molecule binds to the mRNA molecule?
a. anitcodon
b. codon
c. amino acid
d. 5 prime end
11. RNA is synthesized on a DNA template in a process called _________, which utilizes the enzyme________.
a. translation, RNA polymerase
b. transcription, DNA polymerase
c. transcription, RNA polymerase
d. replication, DNA polymerase
12. RNA differs from DNA in that:
a. it has a different kind of sugar
b. it is single stranded
c. it has uracil
d. all of these
13. Which of the following is found on RNA but not DNA?
a. uracil
b. deoxyribose
c. phosphate
d. adenine
14. During replication, the DNA bases are AAT. The complimentary bases are:
a. TTA
b. UUA
c. UUU
d. CCC
Figure 12-1
15. Figure 12-1 shows the structure of a(an)
a. DNA molecule.
b. amino acid.
c. RNA molecule.
16. The process by which DNA makes a copy of itself is called:
b. synthesis
b. replication
c. transcription
d. protein.
d. translation
17. The chemical unit of nucleic acid molecules that consist of a phosphate group, a sugar molecule, and a nitrogen
base is known as:
c. a nucleic acid
b. a base
c. a ribosome
d. a nucleotide
18. The two men who established the structure of DNA were:
a. Hershey and Chase
b. Watson and Crick c. Avery and Griffith
d. Chargaff
19. DNA replication results in:
b. 2 completely new DNA molecules
c. 2 DNA molecules that each contain a strand of the original and a new strand
d. 1 new DNA molecule, 1 old molecule is conserved
e. 1 new molecule of DNA
20. During replication, adenine joins with:
a. adenine
b. cytosine
c. guanine
d. thymine
e. uracil
21. During replication, cytosine joins with:
a. adenine
b. cytosine
c. guanine
d. thymine
e. uracil
22. In the process of replication, we find DNA ligase on
a. the leading strand.
b. the lagging strand.
c. the ribosome.
23. The first major experiment that led to the discovery of DNA as genetic material was performed by
a. Giffith
b. Avery
c. Hershey and Chase d. Watson and Crick
24. The person who analyzed the amount of adenine, guanine, thymine and cytosine in DNA was
a. Chargaff
b. Avery
c. Hershey and Chase d. Watson and Crick
25. All ______________ bases have a double ring.
a. pyrimidine
b. purine
c. DNA
d. nitrogenous
26. All ______________ bases have a single ring.
a. pyrimidine
b. purine
c. DNA
d. nitrogenous
27. The outside “rails” or strands of DNA are made of alternating
a. phosphates and sugars.
b. cytosine and guanine.
c. DNA and RNA.
d. thymine and adenine.
28. If the orientation of the top strand of DNA is 5’ to 3’ then the orientation of the bottom rail is
a. 5’ to 3’
b. 1’ to 3’
c. 3’ to 5’
d. 1’ to 5’
29. One of the basic differences between a DNA nucleotide and a RNA nucleotide is:
a. the kind of sugar molecule
c. number of possible bases
b. the kind of phosphate group
d. there is no difference
30. One of the specific enzymes necessary for DNA replication is:
a. RNA polymerase
b. DNA polymerase
c. replicationase
d. none of these