how many nitrogen bases are there
Four
who took the first clear picture of DNA
Rosalind Franklin
How many strands of nucleotide are in DNA
two
what does DNA replication copy and why
Copies DNA for new Cells
every inherited trait is controlled by one or more?
Protein
what is the name of the sugar that a nucleus consists of
Deoxyribose
why did she not earn a Nobel prize
Because she was a woman
what holds DNA molecules together
Hydrogen Bonds
Because DNA is so important, when a cell divides, it must pass on an exact copie of?
DNA
what is protein syntheses
the process that makes those proteins
DNA is a?
Double helix
Watson and Crick
Adenine bonds pair with
Thymine bonds
What breaks the weak hydrogen bond between the paired nitrogen bases
Enzymes
a section of DNA which is used as a blue print or code for the DNA production of protein is a?
Gene
the double helix looks like a?
twisted latter
What technology did Rosalind use
X- ray cystallograplhy
what is the name of the process when the nitrogen base bond in a specific way
Complementary base pairing
Enzymes link the nucleotide along the newly constructed side of the?
DNA ladder
each gene is composed of a specific sequence of ?
Nucleotide
Name all four nitrogen bases
Adenine
Thymine
Guanine
cytosine
What improvements did Watson and Crick make to Rosalind discovery
they finalized the model of DNA Rosalind made
where are hydrogen bonds located
Between the nitorgen bases
DNA molecules are composed of how many old strands and new strands
One old strand on one new strand
every three bases in this sequence is called a
Codon