Famous Scientists
Exciting Enzymes
Dynamite DNA
Protein Synthesis
Potpourri
100
This duo won a nobel prize for being the first to describe DNA structure.
Who is James Watson & Francis Crick
100
This enzyme produces the mRNA transcript
What is RNA polymerase
100
The scientific term to describe the structure of DNA
What is a double helix
100
This enzyme synthesizes the mRNA molecule in the 5' to 3' direction.
What is RNA polymerase
100
This type of mutation incorporates a stop codon where it does not belong.
What is a nonsense mutation
200
This scientist discovered the process of transformation using different strains of S. pneumoniae.
Who is Fredrick Griffith
200
This enzyme acts as a molecular glue
What is DNA ligase
200
These chemicals are classified based on their double ring structure
What are purines ( A & G)
200
Theses are the major types of RNA.
What is mRNA, tRNA and rRNA
200
This type of mechanism repairs damage to DNA caused by ultraviolet radiation
What is photorepair.
300
This scientist used x ray diffraction to determine the helical structure of DNA
Who is Rosalind Franklin
300
This enzyme relieves the tension in the unwinding DNA
What is topoisomerase
300
The pentose sugar found in DNAs backbone
What is deoxyribose
300
This is the site on the ribosome where the peptide bond forms between amino acids
What is the P site
300
This is the area where a repressor protein binds to an operon.
What is the operator.
400
This team used bacteriophages to show that DNA was the genetic material.
Who is Alfred Hershey and Martha Chase
400
This enzyme synthesizes the new DNA strand in the 5' to 3' direction
What is DNA polymerase III
400
This is found on the 5' end of the DNA molecule
What is a phosphate group
400
Name 3 post transcriptional modifications that pre mRNA undergoes before it leaves the nucleus.
What is 1. Capping ( nucleotide added to 5' end) 2. Tailing ( several A nucleotides added to 3' end) 3. Splicing ( introns removed by splicosomes)
400
This is a group of genes that are under the control of one promotor found only in prokaryotic organisms.
What is an operon.
500
This pair used heavey nitrogen to determine that DNA replicates semi- conservatively.
Who is Matthew Meselson and Franklin Stahl.
500
This enzyme proof reads the newly synthesized DNA
What is DNA polymerase II
500
This type of bond links the sugar to the phosphate in the DNA molecule
What is a phosphodiester bond
500
This is where the amino acids bind on the tRNA molecule
What is the acceptor stem (3' end)
500
This is the regulation of gene expression by small RNA molecules.
What is RNA interference
M
e
n
u