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 |