DNA History
When Griffith took the heat-killed harmful bacteria and mixed it with the harmless bacteria and gave it to the mouse, what happened to the mouse?
It died.
What is the basic unit that makes up DNA called?
Copying process by which a cell duplicates its DNA.
Replication
DNA contains Thymine while RNA contains _______.
Uracil
Three consecutive nucleotides on mRNA that specify a particular amino acid.
Codon
What did Avery determine was the transforming factor in his experiments?
DNA
What are the three parts of a DNA nucleotide?
Sugar, phosphate, base
For the following strand of DNA, give me the matching strand: 5' AATGCGCTA 3'
3' TTACGCGAT 5'
How many nucleotides are found in an mRNA codon?
3
Group of three bases on a tRNA molecule that are complementary to the mRNA codon.
Anticodon
What scientist photographed DNA's structure using X-Ray diffraction?
Franklin
What are the three types of RNA?
1. mRNA 2. tRNA, 3. rRNA
Enzyme involved in DNA replication that joins individual nucleotides to produce a DNA molecule?
What is the mRNA sequence for the template strand DNA sequence 3' TACAACTG 5'?
5' AUGUUGAC 3'
A name for insertions and deletions where there is a shift in the grouping of codons.
Frameshift Mutation
Who built the first physical model of DNA?
Watson and Crick
What are the two purine bases?
Guanine and Adanine
What part of the cell cycle does replication occur?
Interphase - S Phase
Enzyme that binds to DNA, separates the strands, and adds RNA nucleotides during transcription.
RNA polymerase
Gene mutation involving a change in one or a few nucleotides.
Point Mutation
This scientist was the one to determine that in any sample of DNA, A=T and C=G.
Chargaff
What are the three pyrimidine bases?
Cytosine, Thymine, and Uracil
The elongation of the lagging strand produces _________ fragments.
Okazaki
Introns; Exons
What is the correct sequence of the transfer of information in most organisms?
DNA is transcribed to RNA which is translated to proteins.