Show:
etc
experimentors
dna structure
dna replication
repair and replication rate
100
hold the two complementary strands together
What are hydrogen bonds?
100
used enzymes to show that transforming factor dna
Who was Avery?
100
built like a winding staircase?
What is the double helix?
100
when an identical dna molecule is made from a complementary pair.
What is dna replication?
100
frequency of errors in replication with error corrections
What is 1 in 1 billion?
200
adenine and guanine
What are purines?
200
showed transformation of nonvirulent to virulent.
Who was griffith?
200
made up of phosphate, deoxyribose and a nitrogen base
What is a nucleotide?
200
the enzyme that breaks the hydrogen bonds between the two original strands and separates the strands.
What is dna helicase?
200
the enzyme that corrects errors
What is dna polymerase?
300
cytosine and thymine
What are pyrimidines?
300
took rays of dna to figure out the structure
Who was Rosalind Franklin?
300
hold that adenine bonds to thymine and cytosine to guanine.
What are the base pairing rules?
300
the molecule added to the growing dna strand
What are nucleotides?
300
back tracking can occur only if this is true
What is the "previous nucleotide is correct?"
400
virus that infects bacteria
What is a bacteriophage?
400
showed that radioactive phosphorus was in the bacteria
Who was Hershey and Chase?
400
the number of hydrogen bonds between cytosine and guanine.
What is the base pairing rules?
400
the enzyme that adds building block molecules to the growing dna strand.
What is dna polymerase?
400
number of nucleotides is a human chromosome
What is 10 million?
500
a bacteria that causes disease
What is virulent?
500
the scientist who came up with the base pairing rules
What is Chargaff?
500
the sequences of bases on one strand match the sequence on the other strand
What is complementary?
500
the area where the dna helix separates
What is the replication fork?
500
amount of time it takes to replicate one chromosome with multiple replication forks.
What is 8 hours?