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DNA Test - AP Bio

Regulation of Gene Expression; 2nd semester test

QuestionAnswer
Proline, Methionine, and Aspartic acid represent three types of Amino Acids
What do the 5’ and the 3’ represent at the ends of a DNA molecule? The 5th and 3rd carbon on the sugar, while the phosphate connects to the 5th carbon.
Name the nitrogen bases Adenine, Cytosine, Guanine, and Thymine.
How do the bases connect? A – T, G – C
Which of the bases are purines and pyridines? A + G are Purines; T + C and Pyrimidines.
What are the number of hydrogen bonds formed between the bases? A – T: 2; G – C: 3.
What 3 parts make up a nucleotide? Phosphate – Sugar – Base
Describe the Hershey and Chase experiment. Tagged protein and DNA to see which got infected by a virus.
Describe the experiment by Griffith on mice w/ S and R bacteria. R – Harmless, until heated; S – kills, until heated.
What’re Okazaki fragments? Openings in Lagging Strand later rejoined by the DNA Ligase.
What holds the two sides of DNA together? (weak) Hydrogen bonds.
Where is Protein assembled from the message on the RNA? Cytoplasm
What’s the shape of DNA? Double Helix
What’s the process of copying DNA? Replication
What’re the sections of DNA that code for a trait? Gene
What carries the message of DNA to the ribosomes? RNA
DNA stands for Deoxyribonucleic Acid
RNA stands for Ribonucleic Acid
What’s the sugar found in DNA? Deoxyribose
Who established the structure of DNA? Watson and Crick
DNA is found where in the cell? Nucleus
What does the DNA Helicase do? Unzips the bases / breaks the hydrogen bonds.
What does the DNA Polymerase do? Pairs the bases
How many different codons are there? 64
What does Semi-Conservative mean? 1 old strand paired with one new strand.
Created by: CommanderJonno