mRNA and DNA Flashcards
Biology
What does DNA stand for?
Deoxyribonucleic Acid
2 uniqueness of DNA
1 They contain our living genetic code
2 Copies itself exactly
4 Nitrogen base
(A) Adenine= (T) Thymine
(G) Guanine= (C) Cytosine
Purines
(A) Adenine= (G) Guanine
Larger than Pyrimidines
Has 2 rings
“Pure As Gold”
Pyrimidines
(T) Thymine = (C) Cytosine
has 1 ring
“ CUT the pyramid”
4 Scientist who discovered DNA
James Watson
Francis Crick
Rosalind Franklin
Maurice Wilkin
when was DNA discovered
1953
3 DNA building blocks
Phosaphate group
Sugar group/ deoxyribose
Nitrogenous base
Erwin Chargaff’s rule
A DNA has this “balance” of amount of types of Nucleotides with numbers
Hydrogen bond
Formed between certain nitrogenous base= Holding the 2 DNA strands together
what are the Backbone
sugar/deoxyrimbose and phosphate
What is the “m” stands for in mRNA
messenger
what the “T” stands for in tNRA
transport
How many helix does a RNA have
1 strand
How many helix does a DNA have
1 strand