Miscellaneous
Eukaryotic Gene Regulation
Gene Regulation
What's the Enzyme?
Who's the Scientist?
100
This DNA TAC GGA TGC CCG would be transcribed to this mRNA
What is AUG CCU ACG GGC?
100
Proteins around which DNA is tightly or loosely packed
What are histones?
100
Organisms that have operons (large group)
What are prokaryotes?
100
untwists and separates strands
What is helicase?
100
Structure of DNA is a double helix with a sugar phosphate backbone and paired nucleotides
Watson and Crick
200
The sugars and the phosphates.
What is the "backbone of a DNA molecule"?
200
Genes are highly condensed in this type of chromatin
What is heterochromatin?
200
Molecule that is broken down when the lac operon is functioning - induced
What is lactose?
200
Relieves strain caused by unwinding
What is topoisomerase?
200
Genes control phenotypes by coding for enzymes
Garrod
300
The type of bond that holds bases together in the double helix.
What is a hydrogen bond?
300
Inactivation of DNA by addition of a methyl group
What is methylation?
300
On off switch that controls a group of functionally related genes
What is an Operator?
300
Joins Okazaki fragments together
What is ligase?
300
Codon decoded to an amino acid
Who is Nirenberg?
400
A (nitrogenous) base, a sugar, and a phosphate.
What are the 3 parts of a nucleotide?
400
Gene control factors that are far away from a gene and act to increase its function
What are enhancers?
400
Type of operon that is usually on, but can be repressed when a molecule binds to the regulatory protein
What is a repressible operon?
400
Synthesizes RNA primer on 5' ends
what is Primase?
400
Something passed from dead S bacteria to live R strain causing TRANSFORMATION.
Who is Griffith
500
Composed of RNA and protein these molecules assist with splicing of pre-RNA?
What are snRNPs?
500
Different RNA molecules from the same primary transcript depending on which segments are exons or introns.
What is alternative RNA splicing?
500
Operon that is usually off but can be induced when a specific molecule binds to the regulatory protein
What is an inducible operon?
500
fills in the necessary nucleotides between the Okazaki fragments
What is DNA pol I?
500
One Gene - One Enzyme
Who are Beadle and Tatum?
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