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Biology Chapter 10
| Term | Definition |
|---|---|
| Three parts of the DNA nucleotide | Sugar, base, phosphate |
| What shape is DNA? | double helix |
| What does DNA stand for? | Deoxyribonucleic Acid |
| What two scientists put together a model for DNA? | James Watson and Francis Crick |
| What are the three types of RNA? | mRNA, rRNA, tRNA |
| What letters are used to signify the nitrogen bases? | Adenine (A), Guanine (G), Cytosine(C), and Thymine (T) |
| What did Watson and Crick win in 1962? | Nobel Prize in Medicine |
| What are the complementary base pairs? | C--G T--A |
| The process of copying DNA in a cell is called? | replication |
| Enzymes called what bind to the separated chains of DNA? | DNA polymerase |
| Original sequence of DNA | ATTCCG |
| New nucleotide chain | TAAGGC |
| Responsible for the movement of genetic info | RNA |
| RNA consists of | sugar (ribose), phosphate nitrogen containing baser |
| The process by which genetic info is copied from DNA to RNA | Transcription |
| Products of transcription are called? | Transcripts |
| What moves through the pores of the nuclear membrane into the cytosol? | mRNA |
| The production of proteins? | Protein synthesis |
| What determines the structure and function of the cell? | Proteins |
| What are proteins made up of? | polypeptides |
| How many amino acids are there? | 20 amino acids |
| A correlation between a nucleotide sequence and an amino acid sequence? | genetic code |
| 3 mRNA nucleotides | codon |
| The two types of codons | Starter codon= AUG Stop codon= UAA, UAG, UGA |
| The process of assembling polypeptides from info encoded in mRNA is called | Translation |
| Anticodon | the loop opposite of the site of amino acid attachment bears a sequence of three nucleotides |
| Ribosomes | composed of rRNA proteins |
| What has three binding sites that are key to translation? | Ribosomes |
| tRNA | transfer RNA |
| rRNA | Ribosomal |