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Simonds- DNA/Replica
DNA Structure and Replication_Regular
| Question | Answer |
|---|---|
| What does DNA stand for? | Deoxyribonucleic Acid |
| What type of sugar is in DNA? | deoxyribose |
| What are the three things that make up a nucleotide? | phosphate, sugar, nitrogen base |
| What are the building blocks of nucleic acids? | nucleotides |
| How many strands does a DNA molecule have? | 2 strands, it is a double helix |
| Where in the cell is DNA found? | in the nucleus, the control center or brain of the cell |
| Who discovered the DNA model? | Watson and Crick |
| When does DNA replication occur during the cell cycle? | S phase of Interphase |
| How many different nitrogen bases are their in DNA? | 4 different nitrogen bases |
| What are the nitrogen bases in DNA? | A (adenine), G (guanine), T (thymine), C (cytosine) |
| What pairs do the bases bond as in DNA? | A to T, G to C |
| The amount of A (adenine) always equals the amount of what? | T (thymine) |
| The amount of G (Guanine) always equals the amount of what? | C (Cytosine) |
| What makes up the backbone of the DNA model? | phosphate and deoxyribose sugar |
| What makes up the rungs of the ladder? | nitrogen bases |
| What makes up the steps of the DNA model? | nitrogen bases |
| What are the sides of the DNA model made of? | phosphate and sugar |
| What type of bond holds together the base pairs? | hydrogen bonds |
| What type of bonds holds together the phosphate and sugars from one nucleotide to the next nucleotide? | phosphate bond |
| What is A (adenine) complimentary base? | T (thymine) |
| What is C (cytosine) complimentary base? | G (guanine) |
| What is the process that makes a copy of the DNA? | DNA replication |
| What is the complimentary strand to ATGC? | TACG |
| What are three bases in a row called? | a codon |
| What type of biomolecule is DNA? | nucleic acid |
| Why must DNA unzip before it can be copied? | to expose the nucleotides in order to make a new DNA strand from the template |
| What is the name of the type of replication DNA is classified since it is made of a new and an old strand? | semi-conservative |
| What accounts for the differences in humans if the DNA nucleotides is the same for all humans? | the order of the nitrogen bases on the nucleotides |