DNA & RNA Flashcards
1
Q
What does DNA contain?
A
All hereditary information in the form of genes
2
Q
What is a gene? What does it do?
A
Coded section of DNA
Tells how to buil specific proteins for saliva eyes etc
3
Q
How does DNA move information out of the nucleus to the ribosomes?
A
RNA
4
Q
What is RNA?
A
Ribonuclease acid that is a messenger between DNA and ribosomes
5
Q
List four things about the RNA molecule:
A
- Has ribose sugar
- Single stranded
- Contains uracil instead of thymine
- Can be found in nucleus and cytoplasm
6
Q
Give four things about the DNA molecule:
A
- Has deoxyribose sugar
- Double stranded
- Contains thymine
- Found only in nucleus
7
Q
What is the function of DNA?
A
Reproduce create more life
8
Q
What is mRNA
A
messenger RNA
copies DNA in nucleus carries information to ribosomes
9
Q
What is tRNA
A
transfer RNA
Reads and decodes mRNA
10
Q
What is rRNA
A
ribosomal RNA
Carries amino acids into polypeptides
