enzyme that uses RNA as a substrate

an enzyme that catlyzes the association between the large and small ribosomal subunits

an enzyme tha synthesizes RNA primers during DNA replication

When the spliceosome binds to a pre-mRNA transcript, where does it typically attach?

at certain sequences along an intron

What is the function of GTP?

provide energy for formation of the initiation complex, using initiation factors

Accuracy in the translation of mRNA into the sequence of amino acids in a polypeptide depends on specificity in which of the following?

bonding of the anticodon the codon and the attachment of amino acids to tRNAs

shape of the A and P sites of ribosomes

attachment of amino acids to tRNAs

Which of the following events in translation is the first to occur in eukaryotes?

the small subunit of the ribosome recognizing and attaching to the 5'cap

base pairing of activated methionine-tRNA to AUG of the messenger RNA

binding of the larger ribosomal subunit to smaller ribosomal subunits

What is the function of the release factor in translation?

it binds to the stop codon in the A site in place of a tRNA

it separates tRNA in the A site from the growing polypeptide

it releases the amino acid from its tRNA to allow the amino acid to form a polypeptide

it releases the ribosome from the ER to allow polypeptides into the cytosol

What must happen to a newly made polypeptide before it can be secreted from a cell?

its signal sequence must target it to the ER, after which it goes to the Golgi

it must be translated by a ribosome that remains free of attachment to the ER

Its signal sequence must be cleaved off

Its signal sequence must target it to the plasma membrane

What is the effect of a nucleotide-pair substitution that results in a nonsense mutation in a gene?

it introduces premature stop codon into the mRNA

it changes an amino acid in the encoded protein

It has no effect on the amino acid sequence of the encoded protein

it alters the reading frame of the mRNA

Which is the best description of a gene?

a DNA sequence that is expressed to form a functional product; either RNA or polypeptide

a DNA subunit that codes for a single complete protein

a DNA-RNA sequence combination that results in an enzymatic product

a descrete unit of hereditary information that consists of a sequence of amino acids

In transcription of DNA where is the promotor located?

to the right of the template strand

at the 3'end of the newly made RNA

to the left of the template strand

In the middle of the template strand

Protein Synthesis AP Biology

Authored by Charles Martinez

Biology

11th - 12th Grade

NGSS covered

Used 3+ times

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21 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the corresponding codon for AGT?

UCA

TCA

UGA

ACU

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which description of nucleotide triplets best represents a codon?

a triplet separated spatially from other triplets

a triplet that has no corresponding amino acid

a sequence of tRNA at the 3' end

a triplet in the same reading frame as an upstream AUG

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following does not occur in prokaryotic gene expression but does occur in eukaryotic gene expression?

mRNA, tRNA, and rRNA are transcribed

RNA polymerase binds to the promotor

a poly-A tail is added to the ends of the mRNA

Transcription can begin as soon as translation has begun even alittle

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Transcription in eukaryotes requires which of the following in addition to RNA polymerase?

the protein product of the promotor

start and stop codons

ribosomes and tRNA

several transcription factors

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the follwoing best describes the significance of the TATA box in eukaryotic promoters?

it is the recognition site for a specific transcription factor

it sets the reading frame of the mRNA

it is the recognition site for ribosomal binding

it signals the end of the nucleotide sequence of the gene

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

RNA polymerase moves in which direction along the DNA?

5' to 3'

3' to 5' along the template strand

3' to 5' along nontemplate(coding) strand

5' to 3' along the template strand

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of the poly-A tail in mRNA?

to add modified guanin to the 3' end of the mRNA

to indicate the site of translational termination

to code for the binding of RNA polymerase to the DNA

to help protect the mRNA from degradation by hydrolytic enzymes

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Protein Synthesis AP Biology

What is the corresponding codon for AGT?

Which description of nucleotide triplets best represents a codon?

Which of the following does not occur in prokaryotic gene expression but does occur in eukaryotic gene expression?

Transcription in eukaryotes requires which of the following in addition to RNA polymerase?

Which of the follwoing best describes the significance of the TATA box in eukaryotic promoters?

RNA polymerase moves in which direction along the DNA?

What is the function of the poly-A tail in mRNA?

What is a ribozyme?

When the spliceosome binds to a pre-mRNA transcript, where does it typically attach?

What is the anticodon on the tRNA that binds to mRNA codon for the DNA coding sequence AAA?

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