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Genetics
Genes & DNA
| Question | Answer |
|---|---|
| What is the first step of the central dogma | DNA - stores all the information |
| What is the second step of the central dogma | RNA- makes temporary copies |
| What is the third step of the central dogma | Proteins- codes many funtioning proteins |
| what is the central dogma | DNA RNA and protein |
| is nucleotides a polymer or monomer | monomer |
| is dna a polymer or monomer | polymer |
| what are the four bases | Adenine Guanine Cytosine and thymine |
| What are the two main bonds | Pyrmides and purines |
| What does aedine bond with | thymine |
| what does cytosine bond with | guanine |
| how many bonds between Aedine and Thymine | 2 hydrogen bonds |
| how many bonds between Guanine and Cytosine | 3 hydrogen bonds |
| what enzymes are involved in the unzipping | helicase, primase, DNA polymerase 3 and DNA polymerase 1 |
| what does helicase do | unzips the helix |
| what does primase do | it is the RNA primer |
| which end can you add to 3’ or 5’ | 3’ |
| what sugar is in the bond | deoxyribsoe |
| how many carbons in deoxyribose | 5 carbons |
| what is the base that connects to the sugar | a nitrogenous base |