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Transcription requires _____ to add nucleotides to form an newmolecule.

Question 58 options:

	a) DNA polymerase
	b) RNA polymerase
	c) ribosomes
	d) tRNA

Question 59 (2 points)

The large ribosomal subunit

Question 59 options:

	a) is the first to bind mRNA near the start codon
	b) functions as an enzyme to catalyze peptide bonds between aminoacids
	c) is stored in the nucleus
	d) removes introns from pre-mRNA

Question 60 (2 points)

Which is the mRNA complement of the DNA sequence 3’ ATTCCGAGCTTA5’?

Question 60 options:

	a) 5’ UAAGGCUCGAAU 3’
	b) 5’ ATTCCGAGCTTA 3’
	c) 5’ TAAGGCTCGAAT 3’
	d) 5’ AUUCCGAGCUUA 3’

Question 61 (2 points)

Which is the mRNA complement of the DNA sequence 5’ ACGGTCGGAT3’

Question 61 options:

	a) 5’ AUCCGACCGU 3’
	b) 5’ ACGGTCGGAT 3’
	c) 5’ UGCCAGCCUA 3’
	d) 5’ TGCCAGCCTA 3’

Question 62 (2 points)

During elongation, a new peptide (protein) is produced

Question 62 options:

	a) in sets of three amino acids
	b) one base pair at a time
	c) one amino acid at a time
	d) one ribosome at a time

Question 63 (2 points)

The stop codon causes

Question 63 options:

	a) ribosomal subunits to come together on the mRNA molecule
	b) transcription to end
	c) RNA polymerase to proofread a peptide before the next amino acidis added
	d) ribosomal subunits to dissociate from the mRNA molecule

Question 64 (2 points)

The first stage of translation is known as:

Question 64 options:

	a) elongation
	b) initiation
	c) release
	d) termination

Question 65 (2 points)

Which of the following transfer RNA binding sites are found onthe ribosome?

Question 65 options:

	a) depends on the ribosome
	b) A, C, U
	c) A, G, T
	d) A, P, E

Question 66 (2 points)

What type of mutation has occurred in the sample compared to thereference sequence?

Reference sequence: 5’ A T G C C T G A T T G C 3’

Sample sequence: 5’ A T G C C T T A T T G C 3’

Question 66 options:

	a) Deletion
	b) Insertion
	c) Silent
	d) Substitution