Protein synthesis 4 Flashcards
1
Q
Protein synthesis has 2 steps, what are they?
A
Transcription (nuclear), translation (cytoplasmic)
2
Q
what are the steps of protein synthesis in order?
A
1) Transcription
2) translation.
3
Q
Describe transcription.
A
RNA polymerase transcribes DNA into RNA.
4
Q
Name the 3 types of RNA.
A
1) Messenger RNA
2)Ribosomal RNA
3) Transfer RNA
5
Q
what does mRNA do?
A
Directs synthesis of polypeptide.
6
Q
what does tRNA do?
A
Carries amino acids to ribosome for reaction.
7
Q
Out of the 3 RNAs which ones are needed in translation.
A
All 3 are required.
8
Q
What is the order of protein synthesis?
A
Primary
secondary
tertiary
quaternary