click below
click below
Normal Size Small Size show me how
Bella Nat 5
U1 KA 3 DNA & Protein
| Question | Answer |
|---|---|
| What is the shape of a DNA molecule | Double helix |
| How many strands are there in a DNA molecule | 2 |
| What pair of molecules join the strands together | Bases |
| How many different bases are there? | 4 |
| What are the names of the 4 bases? | Adenine, Thymine, Guanine and Cytosine |
| What are the complementary base pairs in DNA? | A/T & G/C |
| What is a gene? | A section of NA that codes for a protein |
| What molecules are joined together to form protein? | Amino acids |
| How does DNA determine the structure of a protein? | "The base sequences determines the amino acid sequence" |
| Where in a cell are proteins made (synthesised)? | The Ribosomes |
| Where in a cell is DNA stored? | The Nucleus |
| What molecule takes a "complementary copy" of the genetic code from the nucleus to the ribosome? | mRNA |
| Name the base represented by the letter A | Adenine |
| Name the base represented by the letter T | Thymine |
| Name the base represented by the letter G | Guanine |
| Name the base represented by the letter C | Cytosine |