WorksheetsAP Biology Transcription
Total questions: 20
Worksheet time: 20mins
Name
Class
Date
1.
In eukaryotic cells, transcription cannot begin until
a)
the two DNA strands have completely separated and exposed the promoter.
b)
several transcription factors have bound to the promoter.
c)
the 5' caps are removed from the mRNA.
d)
the DNA introns are removed from the template.
2.
The anticodon of a particular tRNA molecule is
a)
complementary to the corresponding mRNA codon.
b)
complementary to the corresponding triplet in rRNA.
c)
the part of tRNA that bonds with a specific amino acid.
d)
catalytic, making the tRNA a ribozyme.
3.
What is the flow of genetic information in cells from DNA to protein? (Central Dogma)
a)
RNA to DNA to protein
b)
DNA to RNA to protein
c)
protein to DNA to RNA
d)
RNA to protein to DNA
4.
Which RNA bases would pair with TACGAA in transcription?
a)
AUGCUU
b)
ATGCTT
c)
GCATCC
d)
GCAUCC
5.
Where does transcription occur in eukaryotic cells?
a)
Nucleus
b)
Ribosome
c)
Cytoplasm
d)
Rough E.R.
6.
RNA polymerase moves in which direction along the DNA?
a)
5' to 3'
b)
3' to 5' along the template strand
c)
3' to 5' along nontemplate(coding) strand
d)
5' to 3' along the template strand
7.
The parts of a gene that do NOT code for amino acids in a protein are called
a)
introns
b)
exons
c)
codons
d)
anticodons
8.
The production of mature mRNA in eukaryotes involves
a)
cutting introns out and spicing exons together
b)
adding the 5' cap
c)
adding the 3' poly A tail
d)
all of these are correct
9.
Translation occurs:
a)
Outside of the Nucleus
b)
Inside of the Nucleus
10.
Translation is performed by:
a)
Ribosomes
b)
Mitochondria
c)
Golgi Bodies
d)
Endoplasmic Reticulum
11.
Which process is shown?
a)
diffusion
b)
repiration
c)
recombination
d)
translation
12.
The anticodon is located on
a)
DNA
b)
mRNA
c)
tRNA
d)
rRNA
13.
What is the correct description of eukaryotic chromosomes?
a)
many linear pieces of DNA in the cytoplasm
b)
many linear pieces of DNA in the nucleus
c)
one circular piece of DNA in the cytoplasm
d)
many circular pieces of DNA in the nucleus
14.
What is the term for making an RNA copy of DNA?
a)
Transription
b)
Translation
c)
Folding
d)
Coding
15.
Protein molecules around which DNA is tightly coiled in chromatin
a)
Histones
b)
Whey
c)
Casein
d)
Hemoglobin
16.
Which of the follwoing best describes the significance of the TATA box in eukaryotic promoters?
a)
it is the recognition site for a specific transcription factor
b)
it sets the reading frame of the mRNA
c)
it is the recognition site for ribosomal binding
d)
it signals the end of the nucleotide sequence of the gene
17.
Which of the following events in translation is the first to occur in eukaryotes?
a)
elongation of the polypeptide
b)
base pairing of activated methionine-tRNA to AUG of the messenger RNA
c)
binding of the larger ribosomal subunit to smaller ribosomal subunits
d)
the small subunit of the ribosome recognizing and attaching to the 5'cap
18.
What must happen to a newly made polypeptide before it can be secreted from a cell?
a)
it must be translated by a ribosome that remains free of attachment to the ER
b)
its signal sequence must target it to the ER, after which it goes to the Golgi
c)
Its signal sequence must be cleaved off
d)
Its signal sequence must target it to the plasma membrane
19.
Translation is crucial to the process of making proteins. Which statement best describes what takes place during translation?
a)
A copy of chromosomal DNA is created
b)
Information in mRNA is converted into a sequence of amino acids in a protein
c)
A RNA copy of a DNA strand is made.
d)
Instructions from DNA in the nucleus are brought to the cytoplasm
20.
Smaller segments of RNA nucleotides that transport amino acids to the ribosomes.
a)
mRNA
b)
tRNA
c)
rRNA
d)
DNA
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