| DNA | ||
| #1 | Mistakes in DNA are called... | Mutations |
| #2 | Name one of the two molecules important in DNA replication. | Enzymes and free nucleotides. |
| #3 | Why is DNA considered semi-conservative? | Because one strand is always conserved. |
| #4 | What enzyme is responsible for the separation of the DNA strands? | Helicase |
| #5 | What enzyme is responsible for joining nucleotides? | Polymerase |
| DNA | ||
| #1 | What are the short stretches of newly synthesized DNA on the lagging strand. | Okazaki Fragments |
| #2 | What is a short stretch of DNA nucleotides hydrogen bonded to its complimentary strands. | Primer |
| #3 | Both strands of the double helix replicates in the _______ direction of the other strand. | Opposite |
| #4 | How many types of polymerase are there? | Three |
| #5 | What is the fluid of the nucleus called? | Nucleoplasm. |
| DNA | ||
| #1 | What are floating around in the nucleus that form pairs with their complimentary others? | Free nucleotides |
| #2 | What is the first thing DNA needs to do in order to replicate? | Unwind |
| #3 | The one strand oriented in the 5' to 3' direction is called.... | The lagging strand |
| #4 | The one strand oriented in the 3' to 5' direction is called.... | The leading strand |
| #5 | What kind of bond is there between two adjoining nucleotides? | Covalent |
| DNA review | ||
| #1 | What are the two types of DNA? | DNA and RNA |
| #2 | Nucleotides consist of what three molecules? | Pentose sugar, phosphate, organic base. |
| #3 | Five different bases are... | Adenine, cytosine, thymine, guanine, and uracil |
| #4 | What bases can form two hydrogen bonds? | Adenine, thymine, and uracil |
| #5 | Name two purines. | Adenine and guanine |
| DNA | ||
| #1 | Describe a pyrimidine. | 1 ring structure |
| #2 | Describe a purine. | 2 ring structure |
| #3 | Uracil binds with what? | Adenine in RNA. |
| #4 | What kind of reaction links together nucleotides? | Condensation |
| #5 | Name three pyrimidines. | Cytosine, thymine, and uracil |
| Final Question | |
| In 1962, three men were awarded a Nobel Prize for their work on DNA. Can you name one of them? | James Watson, Francis Crick, and Maurice Wilkins |