What is the shape of DNA?
Double Helix
Chromosome Number 5
Cri-du-chat
Contains ____ unlike dna
ribose
What must happen before DNA Rep?
The DNA Must be split by the helicase
Robert Hooke
Coined the term "cell"
Name the 4 bases
Thymine, Guanine, Cytosine, adenine
Klinefelter's Syndrome
Two x chromosomes and one y chromosome
Alphabet
A, C, G, U
Seal stretches the nucleotides where polymerase can't. This forms one big strand
Rudolph Virchow
Determined that cells come from only pre-existing cells
What is a nucleotide made of?
1 phosphate molecule
1 sugar molecule
1 nitrogen base
Edwards Syndrome
Extra chromosome 18
Transcription
The instructions for making a protein are transferred from a gene to an RNA molecule in a process called
What do enzymes do?
Proofread DNA during replication and repair damage in existing DNA
Franklin
Took the photographs of DNA
What is the unit of DNA composed of?
nucleotides
Extra chromosome #13
Patau Syndrome
RNA Polymerase
An enzyme that adds and links complementary RNA nucleotides is required.
What is the fork?
Site on molecule where replication starts
Crick & Watson
Figured out the model for DNA
What is the official name of DNA?
Deoxyribonucleic acid
Triple X
3 X chromosomes
Anticodon
matches with the codon. In tRNA the 3 acids that match with the mRNA codon
What does polymerase do?
Chargaff
The complementary bases rules