Biochemistry Flashcards
(16 cards)
Semi-conservative Replication
Parental strands of DNA separate, and produce new DNA molecules with one parental strand and one new strand.
DNA polymerase
Catalyzes the addition of appropriate nucleotides to the new DNA strand.
RNA
Contains sugar ribose, single stranded
Messenger RNA
Form complementary to DNA strand
Ribosomal RNA
Associates with protein to form ribosomes
Transfer RNA
Transport amino acids
RNA Polymerase
Enzyme that regulates RNA synthesis
Transcription
Process where DNA code transferred to mRNA into the nucleus.
Introns
intervening sequences
Exons
Coding sequences that remain in the final mRNA
Codons
The 3-Base code
Translation
Process where code is read and translated
Gene regulation
Ability of an organism to control which genes are transcribed in response to the environment
Operon
Section of DNA that contains the genes needed for a specific metabolic pathway
mutation
permanent change occurs in cell’s DNA
Mutagen
Substances that cause mutations