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BIOS 260 Exam 3 with Complete Solutions
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BIOS 260 Exam 3 with Complete Solutions
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BIOS 260 Exam 3 with Complete SolutionsThe base sequence in the template strand of a DNA molecule is as follows: 3' TTACGTTTC.
Which of the following represents the correct base sequence for the complementary (sense)
DNA strand?
A. 5' AATGCAAAG
B. 3' AAUGCAAAG
C. 3' UUACGUUUC
D. 5' AAUGCAAAG
E. 3' AATGCAAAG Correct Ans-5' AATGCAAAG
The base sequence in the template strand of DNA molecule is as follows: 3' TTACGTTTC.
Which of the following represents the correct base sequence for a mRNA copied from this
DNA?
A. 5'AATGCAAAG
B. 3' AAUGCAAAG
C. 3' UUACGUUUC
D. 5' AAUGCAAAG
E. 3' AATGCAAAG Correct Ans-5' AAUGCAAAG
, BIOS 260 Exam 3 with Complete Solutions
If the DNA sequence in the question above is at the BEGINNING of a gene, what are the first 2
amino acids that will be joined at the ribosome? Remember there is a START codon.
A. asparagine, alanine
B. methionine, glutamine
C. leucine, alanine
D. alanine, lysine
E. methionine, asparagine Correct Ans-methionine, glutamine
If the guanine (G) in the DNA sequence 3' TTACGTTTC is deleted, what are the first 2 amino
acids that will be joined at the ribosome? Remember there is a START codon.
A. asparagine, alanine
B. methionine, glutamine
C. leucine, glycine
D. leucine, phenylalanine
E. methionine, lysine Correct Ans-methionine, lysine
The mutation in the above question is an example of a _____ mutation.
, BIOS 260 Exam 3 with Complete Solutions
A. frameshift
B. nonsense
C. missense
D. silent Correct Ans-Frameshift
Which of the following involves bacteriophages?
A. conjugation
B. translation
C. transduction
D. transformation
E. transcription Correct Ans-Transduction
The process whereby "naked DNA" is absorbed into a bacterial cell is known as:
A. conjugation
B. translation
C. transduction
D. transformation
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