Mutations
In general, what kind of mutation results in the change of one nucleotide in the sequence of a gene?
Point Mutations.
What is the first step of protein synthesis?
DNA goes through replication to make new DNA.
What are the three kinds of RNA?
tRNA, mRNA, rRNA
What are the possible nucleotides for RNA?
A, G, C, U
Which mutation results in no change in the protein sequence?
Silent Mutation.
The following DNA fragment is found to be a template for transcription: 3’ CGTAA 5’ Which of the following RNA strands will be produced?
5’ GCAUU 3’
What are the regions called where genes are expressed?
Exons
What are the possible nucleotides for DNA?
A, G, C, T
What kind of mutation is represented by the following: UAC → UAA (Tyr → STOP)?
Nonsense Mutation
Where is the mRNA initially located and what does it facilitate in creating?
Nucleus, and forms an initiation complex for translation.
What are the three important steps during the translation of RNA?
Initiate, Elongate, and Terminate.
What is created when an anticodon and codon bind together?
New Amino Acid Sequence