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Chapter 5
PBSC DNA & GENE EXPRESSION - Part 2 BSC1005 259323 CONCEPTS IN BIOLOGY
Question | Answer |
---|---|
The name of the base triplets found on the tRNA molecule which bind with a codon are ______. | anti codons |
During translation when amino acids are continually being added to the growing polypeptide chain, it is called _____. | Elongation |
The region of the DNA which binds RNA polymerase is known as the _____. | Promoter |
What two codons code for the amino acid phenylalanine? (Use the table in your notes/book.) | UUU, UUC |
Base triplets found on the messenger RNA are called _____. | codons |
Another name for the Repressor Protein in the LAC operon is the ______ Protein. | Regulatory |
When translation begins it is called _____. | Initiation |
A _____ mutation results in the formation of a STOP codon. | Nonsense |
Sickle cell anemia is a diseae caused by a type of ______ mutation. | Missense |
The name of the enzyme which is capable of producing RNA. | RNA Polymerase |
The 3 parts of an operon are the: promoter, _____ and the genes regulated by the operon itself. | operator |
A _____ mutation occurs when the change in the genetic code results in a different amino acid being inserted into the protein chain. | Missense |
UAA codes for a _____ codon. (Use the table in your notes/book.) | STOP |
Is transcription increased or decreased in the promoter level control wherein there is a strong promoter/polymerase bond? | increased |
In the LAC operon, the regulatory protein binds to the ______ when lactose is ______ (present or absent?) | Operator; absent |
What is another name for a point mutation? | Base Substitution |
When a stop codon is reached during translation, the stage of _____ has been reached. | Termination |
What amino acid does: GCA code for? (Use the table in your notes/book.) | Alanine |