WorksheetsRNA Structure and Protein Synthesis
Total questions: 142
Worksheet time: 2hrs 11mins
ATG TGA CAG
Adenine (A) bonds with ______________.
Guanine (G)
Thymine (T)
Cytosine (C)
Adenine (A)
What is the job of ribosomes?
make proteins
store energy
create covalent bonds
create hydrogen bonds
What is the matching nitrogen base sequence for the gene below?
A-
T-
C-
T-
G-
T-
G-
C-
A-
T-
A-
G-
Which organelle is DNA usually found in?
cell membrane
vacuole
chloroplast
nucleus
Which image is DNA?
Which of following matches with Cytosine?
Adenine
Thymine
Guanine
Uracil
Which of the following is NOT a base in RNA?
Adenine
Thymine
Uracil
Cytosine
ATG TGA CAG
There are 3 types of RNA. What are they? (Select all that apply)
tRNA
rRNA
mRNA
xRNA
The Process of creating RNA from DNA
Transcription
Translation
Replication
In RNA the base T is replaced with
U
G
C
A
What combines together to make a protein?
Amino Acid
RNA
Ribosome
DNA
What organelle is the site of translation?
Nucleus
Ribosome
Mitochondria
Chloroplast
What is the order for Protein Synthesis?
Transcription -> Translation -> Protein
Translation - > Transcription -> Protein
Protein -> Transcription -> Translation
Translation -> Protein -> Transcription
Carries the amino acid used to make a protein
mRNA
rRNA
tRNA
Factory for making a protein
mRNA
rRNA
tRNA
What type of RNA is shown in this image?
rRNA
mRNA
tRNA
What type of RNA is shown in this image?
rRNA
mRNA
tRNA
This image shows a picture of a ribosome - what type of RNA is this?
rRNA
mRNA
tRNA
What do we call the shape a DNA molecule takes?
double-stranded
double helix
sugar-phosphate backbone
pentagon
Which of the following tells the Ribosome to STOP?
UAC
UGG
UGA
UCA
Which of the following tells the Ribosome to START?
AUG
UGG
UGA
UCA
In what process is mRNA synthesized?
Transcription
Translation
DNA Replication
Mitosis
Where does TRANSCRIPTION occur?
Nucleus
Ribosome
Cytoplasm
Mitochondria
Why must transcription occur where DNA can be found?
because DNA can't leave
because ribosomes are in the nucleus
because DNA polymerase is found there
because helicase unzips the DNA
How many nucleotides equal 1 amino acid?
1
2
3
4
A polypeptide is a sequence of ____________________ held together by a ______________ bond.
amino acids; peptide
fatty acids; ionic
proteins; hydrogen
fatty acids; covalent
TRANSCRIBE this DNA sequence: TACGTTACT
AUGCAAUGA
ATGCAATGA
AUGGATUGA
TACGTTACT
TRANSLATE this RNA sequence: AUGCAAUGA
Met-Glu-Stop
Met-His-Stop
Thr-Glu-Stop
Thr-Pro-Stop
GTAGTCA
TGGCAAGTACGT
When the mRNA sequence leave the nucleus, what organelle does it travel to?
mitochondria
smooth ER
ribosome
vacuole
What best explains the interaction between tRNA and mRNA during translation?
anticodons on the mRNA line up with complementary codons on the tRNA
anticodons on the tRNA line up with complementary codons on the mRNA
tRNA attach amino acids to the complementary mRNA sequence
mRNA attach amino acids to the complementary tRNA sequence
What does tRNA "transfer"?
amino acids
nucleic acids
nucleotides
AUG
What do amino acids come together to join?
a growing polypeptide chain (protein)
a growing lipid
a growing carbohydrate
a growing nucleic acid
A polypeptide only becomes a functioning protein after it has folded into its exact 3D shape.
True
False
codons are located on __________
mRNA
tRNA
rRNA
snRNA
anti-codons are located on __________
mRNA
tRNA
rRNA
snRNA
How many nucleotides make up a single codon?
3
5
4
1
A mRNA sequence consist of 171 nucleotides. How many amino acids make up the protein this sequence will code for?
57
56
58
513
What sequence of mRNA always begins a new polypeptide chain?
UAG
AUG
GAU
UGA
How many codons code for phenylalanine?
2
3
4
1
The following codon is translated into which amino acid?
AUG
Methionine
Isoleucine
Histidine
Arginine
The following codon is translated into which amino acid?
AUU
Methionine
Isoleucine
Histidine
Arginine
The following codon is translated into which amino acid?
CAU
Methionine
Isoleucine
Histidine
Arginine
The following codon is translated into which amino acid?
AGG
Methionine
Isoleucine
Histidine
Arginine
The following codon is translated into which amino acid?
UUU
STOP
Phenylalanine
Valine
Aspartic acid
The following codon is translated into which amino acid?
UAA
STOP
Phenylalanine
Valine
Aspartic acid
What is splicing
Introns are removed and exons are joined in a defined order
Intron are joined in a defined order and exon is removed
Both intron and exon are removed
Both intron and exon are added
Introns are removed and exons are joined randomly
The enzyme ____ connects the strands of DNA after replication.
DNA Ligase
DNA Helicase
RNA Ligase
DNA Polymerase
These responsible for the general body pattern of most animals:
introns
Okazaki Fragments
Hox Genes
exons
This is a permanent change that occurs in a cell’s DNA:
operon
intern
intron
mutation
This is complementary to codon of mRNA (found on tRNA):
anticodon
lagging strand
Okazaki fragment
antiparallel
This acts like an “operator” - it contains genes for a metabolic pathway:
intron
operon
exon
None of the responses are correct
These are the special proteins in DNA:
histones
exons
nucleosomes
chromatins
A DNA segment is changed from -AATTAGAAATAG- to -ATTAGAAATAG-. This is a ____.
Inversion (both sequences are complimentary to each other)
Frameshift Mutation (the second A in the original sequence was deleted- causing the "reading" of the whole sequence to change)
Insertion (the second t in the original sequence was added)
Translation (the last G in the original sequence was modified)
A DNA segment is changed from-AATTAG- to -AAATAG-. This is a ____.
Frameshift mutation (changes "reading" of entire sequence)
Frameshift mutation (changes "reading" of entire sequence)
Insertion (the third letter of the sequence is added to the original 6 base sequence)
Substitution (the third letter of the sequence changes from a T to an A)
This is the process of assembling proteins:
duplication
transcription
translation
retrocation
which of the following terms refers to the order in which amino acids are linked together in a protein.
Primary
Secondary
Tertiary
Quaternary
The chain of amino acids folds and coils on itself
Primary
Secondary
Tertiary
Quaternary
The entire polypeptide forms a three-dimensional structure
Primary
Secondary
Tertiary
Quaternary
Two or more polypeptides attached together and work as one unit
Primary
Secondary
Tertiary
Quaternary
AGA-TTC-ATA-GCG
Mutant-
AGA-TTC-AAT-AGC-G
T-G-A-C-C-A
T-G-A-C-C-A-A
CAC-GTG-ACA-GCG
T-G-A-C-C-A
T-G-A-G-C-A
What type of mutation happens to just one base.
Chromosome Mutation
Point Mutation
DNA Mutation
Deletion Mutation
What point mutation changes one base?
Substitution
Insertion
Deletion
What point mutation adds one base?
Substitution
Deletion
Insertion
What point mutation removes one base?
Deletion
Insertion
Substitution
What is it called when a point mutation messes up several amino acids?
Chromosomal Mutation
Reading Frame Mutation
Frameshift Mutation
Amino Acid Mutation
What is it called when a point substitution mutation has no effect?
Substitution Mutation
No Mutation
Silent Mutation
What is a mutation?
A change in a chromosomal region.
A negative change in the nucleotide sequence of DNA.
A change in one base pair in DNA.
Any change in the nucleotide sequence of DNA.
