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WorksheetsBio 3/4 Review Molecular Genetics
Total questions: 20
Worksheet time: 10mins
What "unzips" the DNA?
Ligase
DNA Polymerase
DNA Helicase
Restriction Enzyme
Who was MAINLY created for the discovery of DNA in the 1950s?
Watson and Crick
Rosalind Franklin
What does this sequence code for?
TACCGA
Serine, Stop
Lysine, glycine
Glycine, Tyrosine
Start, Arginine
What would be the nucleotide pairs from top to bottom?
GAGT
CTCA
AGAC
TGTC
What happened to this sequence of DNA?
Original: ACTTGACGC
New: ACTACTCGC
Insertion
Deletion
Nonsense
Substitution
Which code of mRNA will code for a stop codon?
AAG
GCA
ATT
ACA
Translate this code into mRNA
AATTGCGCG
TTAACGCGC
UUAACGCGC
UUTTGCCGG
AATTGCGCG
What is the shape of DNA called?
(a)
What "glues" or binds the backbone of DNA
Ligase
DNA Polymerase
DNA Helicase
Free Nucleotides
What "fuses" the nucleotides together?
Ligase
DNA helicase
Free Nucleotides
DNA Polymerase
What kind of replication is DNA replication?
(a)
After Replication, are the new DNA strands genetically identical to the original?
No
Yes
What part of the cell is DNA located in?
Nucleus
Ribosome
Cytoplasm
All of the above
What part of the cell is RNA located in
Nucleus
Ribosome
Cytoplasm
All of the above
What would a missense mutation result in?
A stop codon
Deletion of a sequence
A change in the amino acid Sequence
No change
What would a silent mutation result in?
Insertion of a new sequence
Deletion of sequence
Change in amino acid sequence
No change
What would a Nonsense mutation result in?
Insertion of a new sequence
Stop codon
Change in amino acid sequence
No Change
Where would you find DNA in human reproduction above the cellular level?
(a)
What amino acids would this code for?
AUGCUUUCUAGAUAG
(a)
What amino acids would this code for?
TACCCCGAGTACACT
(a)
