u4: transcription and translation Flashcards
(10 cards)
1
Q
what are genes
A
different combos of the 4 nucleotide bases along DNA strands
2
Q
how is the assembly of proteins directed?
A
messages from genes (RNA) travel to ribosomes
3
Q
central dogma of molecular biology? who/when was it proposed by?
A
DNA → RNA → Protein
Crick, 1956
4
Q
RNA is made up of
A
- has uracil not thymine
- ribose not deoxyribose
- single-stranded
5
Q
types of RNA
A
- ribosomal RNA (rRNA)
- messenger RNA (mRNA)
- transfer RNA (tRNA)
6
Q
ribosomal RNA (rRNA)
A
makes up structure of ribosome
7
Q
messenger RNA (mRNA)
A
contains message from DNA
8
Q
A
9
Q
where does transcription occur
A
nucleus
10
Q
A
