DNA to Protein Flashcards
(29 cards)
What did Chargaff discover
Percentage/ratio of adenine = thymine and cytosine = guanine
Chargaff’s rule
A pairs with T
C pairs with G
What does A stand for
Adenine
What does T stand for
Thymine
What does G stand for
Guanine
What does C stand for
Cytosine
Monomer of DNA
Nucleotide
3 parts of nucleotide
Sugar, phosphate group, nitrogen base
What is A and T held together with
2 hydrogen bonds
What is C and G held together with
3 hydrogen bonds
Sides of “DNA ladder”
Sugar-phosphate backbone
Structure of DNA
Two strands or double helix (twisted ladder)
What does DNA stand for
Deoxyribonucleic acid
How many nitrogen rings do pyrimidines have
One; consists of thymine, cytosine, and uracil (TCU)
How many nitrogen rings do purines have
Two; consists of adenine and guanine
What are pyrimidine and purine paired by
Hydrogen bonds
Who injected mice with two types of bacteria
Griffith
When mouse was injected with SMOOTH bacteria
Mouse died
When mouse was injected with ROUGH bacteria
Mouse lived
What does the bacteria in Griffith’s experiment cause
Pneumonia
When mouse was injected with heat-killed S bacteria
Mouse lived
What do S bacteria have a coating of that R bacteria doesn’t
Carbohydrates
When mouse was injected with heat-killed S bacteria AND live R bacteria
Mouse died
Is bacteria a prokaryote or eukaryote
Prokaryote