| Term | Definition |
|---|
| nucleus | Where is DNA stored in eukaryotic cells? |
| nucleotides | What is a monomer of DNA? |
| phosphate group, deoxyribose sugars, nitrogen base | What are 3 parts of a nucleotide? |
| Thymine, Adenine, Cytosine, Guanine | What are the 4 nitrogen bases? |
| double helix (twisted ladder) | when nucleotides are attatched, what does DNA look like? |
| phosphates and deoxyribose | What part of the nucleotides make up the sides of a strand of DNA? |
| nitrogen base pairs | What parts make up the "steps" of the DNA strand? |
| adenine with thymine, guanine with cytosine | how do the nitrogen bases pair? |
| a hydrogen bond | What holds nitrogen base pairs together? |
| Chromosome | What is one peice of DNA that is coiled up? |
| 46 | how many chromosomes are in each human cell? |
| gene | What is 1 small segment of DNA, it is the instructions for making a protein? |
| the hydrogen bonds are broken | How is DNA unzipped? |
| once in its lifetime | How often does DNA replicate itself? |
| the nucleus | Where does DNA replicate itself? |
| watson and crick | Who came up with the model of DNA? |
| single, double | RNA is a __ helix, while DNA is a ___ helix |
| messanger RNA | What is mRNA? |
| Rybozomal RNA | what is rRNA |
| transfer RNA | What is tRNA? |
| it copies the instructions into a language the cell can understand for the rRNA | What is the point of mRNA? |
| it reads the instructions made by mRNA and puts the proteins together | What is the point of rRNA? |
| brings all the amino acids to the rRNA | What is the point of tRNA? |
| nucleus | Where does transcription occur? |
| it leaves the nucleus and the DNA zips back up | What happens to RNA after transcription? |
| cytoplasm | Where does TRANSLATIONS (not transcription) occur? |
| ribosome | What is another word for rRNA? |
| AUG | What codon tells the ribosome that this is where it should begin making a protein |
| amino acid | tRNA brings the appropriate ___ to match the codon |
| thymine>uracil | What nitrogen base changes in RNA? |
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