Module 6 Test
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1
Which of the following is not a part of a DNA molecule?
a. Nitrogen base
b. Deoxyribose sugar
c. Phosphate group
d. Ribose sugar
a. Nitrogen base
b. Deoxyribose sugar
c. Phosphate group
d. Ribose sugar
d. Ribose sugar
2
The sequence of nucleotides in mRNA is determined by the sequence of nucleotides in
DNA
3
What would the complementary mRNA sequence be for the base sequence on the DNA template shown here?
G-G-T-A-G-T-A-A-G
G-G-T-A-G-T-A-A-G
C-C-A-U-C-A-U-U-C
4
Identify the stage of mitosis represented by each picture and list the stages in proper order.
USE SEPARATE PAGE
5
Translation occurs in the __________________ and transcription in the __________________.
cytoplasm; nucleus
6
A cell’s DNA consists of 10 pairs of homologous chromosomes. What is the diploid (2n) number? What is the haploid (n) number?
diploid=(2n)=2*10=20; haploid=n=10
7
Genetic recombination through crossing over of homologous chromosomes happens during which phase of meiosis?
It occurs between prophase 1 and metaphase 1 of meiosis.
8
What molecules bring the amino acids to the ribosome during protein synthesis?
tRNA
9
Which resembles mitosis the most: Meiosis I or Meiosis II?
Meiosis II
10
Part of an mRNA strand is shown below.
A-U-G-G-A-U-A-U-A-U-A-A
a. What is the sequence of the DNA template?
b. What would the tRNA anticodons be?
c. Using the “secret” amino acid chart that I gave you in class decode the sequence of amino acids.
A-U-G-G-A-U-A-U-A-U-A-A
a. What is the sequence of the DNA template?
b. What would the tRNA anticodons be?
c. Using the “secret” amino acid chart that I gave you in class decode the sequence of amino acids.
a. T-A-C-C-T-A-T-A-T-A-T-T
b. UAC-CUA-UAU-AUU
c.MET-ASP-ILE-STOP
b. UAC-CUA-UAU-AUU
c.MET-ASP-ILE-STOP
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