WorksheetsDNA and Mutations quiz
Total questions: 18
Worksheet time: 36mins
What is the purpose of this process?
Preserving genetic information for future generations
Deleting the information in the sequence produced from the DNA template
Transcribing information in the DNA sequence for use by the cell
Producing more nucleotides for the DNA sequence
The mRNA strand is complementary to the DNA strand; however, uracil instead of thymine is paired with adenine.
True
False
Cell differentiate because...
they contain lipids
they clump together
they metabolize sugars rapidly
they have specific genes activated
What is the role of mRNA?
make energy
create bond to form biomolecules
produce sugars that help DNA replicate
provide information to make proteins
Transcribe and Translate the following DNA: TCC AAT GGC
Arginine-Leucine-Proline
Tryptophan-Phenylalanine-Leucine
Serine-Leucine-Proline
Tryptophan-Phenylalanine-Leucine
What type of mutation is depicted in the sequence?
insertion
deletion
substitution
None
What type of mutation occurred?
insertion
deletion
substitution
Which of these mutations most likely results in the mutated hemoglobin gene?
insertion
deletion
duplication
substitution
Convert the mRNA to a protein
Val, Lys, Phe, Gly, Ser
Met, Asp, Phe, Ala, Arg
Met, Val, Lys, Arg, Gln, Ser
Ile, Gln, Lys, Asp, Gly, Leu, Ser
An illustration of how a particular DNA mutation will most likely affect the polypeptide produced is shown. What type of mutation is illustrated?
Insertion
Deletion
Substitution
Translocation
What are the 2 major steps in Protein Synthesis?
Translation and Transition
Creation and Cremation
Transcription and Translation
mRNA and tRNA
What is a Point Mutation?
Several nitrogenous bases are substituted
A single base is substituted/changed
a base is added or deleted
What is a Frameshift mutation?
You move a picture frame to the other side of your house
a single base is substituted
a single base is added or deleted (changing the viewing frame)
A change in a gene, group of genes or chromosome that results in a change in the proteins
Replication
Mutations
Translation
Transcription
A substitution mutation that has no effect
on amino acids sequence
Insertion Mutation
Translocation
Silent Mutation
Deletion Mutation
Mutations can benefit humans because they can:
Cause illness
Make an organism more suited to live in its environment.
Make organisms live shorter lives
Cause organisms to grow extra limbs.
The backbone (the outer part of the DNA double helix, on both sides) is made of _______________ .
sugar and phosphate
base pairs
mRNA
all of these answers are correct
