click below
click below
Normal Size Small Size show me how
Biology - Unit 8
DNA - Protein Synthesis
| Question | Answer |
|---|---|
| Scientist who found that harmless bacteria could be transformed into harmful bacteria by living in an environment containing dead harmful bacteria. | Frederick Griffith |
| Scientists who proved that DNA was the transforming factor rather than protein. | Hershey and Chase |
| X-ray picture taken by Rosalind Franklin that provided an important clue to the structure of DNA. | Photo 51 |
| Type of bonds between sugars and phosphates holding nucleotides together in a strand of DNA. | Covalent |
| Type of bonds between nitrogen bases holding two strands of DNA together. | Hydrogen |
| Rungs of the DNA ladder are composed of _____. | Nitrogenous bases (base pairs) |
| The DNA backbone is composed of ______. | Sugars and phosphates.= |
| During which phase of the cell cycle does DNA replication occur? | In S-phase of Interphase |
| The enzyme that attaches complementary bases to the template strands in DNA Replication. | DNA Polymerase |
| What is being made during Protein Synthesis? | Protein |
| Which two cellular processes are involved in Protein Synthesis? | Transcription and Translation |
| A pair of complementary nitrogenous bases making up the rungs of the DNA ladder | Base pair |
| In DNA, A pairs with ______ and C pairs with ______ | T; G |
| For DNA sequence: TAC the complementary mRNA would be | AUG |
| In mRNA, thymine (T) is replaced by ____ | uracil (U) |
| Protein that with DNA forms chromatin in eukaryotic cells | Histone |
| RNA stands for | Ribonucleic Acid |
| Where does Translation take place? | on a ribosome (in the cytoplasm) |
| During Translation, mRNA is used to make _____________. | Protein |
| The 3 base sequence of nucleotides on mRNA is called the _____________. | codon |
| Amino acids are held together with by ____________ bonds. | peptide |
| Protein Synthesis will be complete when a _________ codon is reached. | stop |
| The scientist that used X-ray images to determine that DNA was helical (spiral) in shape. | Rosalind Franklin |
| The two scientists that are credited with creating the first model of the double helix. | James Watson & Francis Crick |
| DNA ---> RNA | Transcription |
| RNA ---> Protein | Translation |