DNA History
DNA Structure
Genes/Genetic Code
Genes/Genetic Code Con't
100
Who discovered DNA a. Franklin B. Watson C. Crick D. All of the abobe
D.
100
The DNA molecule looks like a twisted____________.
Ladder
100
The main function of genes is to control the production of proteins in an organisms c________.
Cells
100
A gene contains a c_____________ that determines the stucture of protein.
code
200
Whose photographs helped James Watson and Francis Crick figure out the structure of DNA?
Rosalind Franklin
200
DNA is made up of sugars, phosphates and n_____________ bases.
Nitrogen
200
What do proteins help determine?
The traits of organisms. Size, shape color, etc.
200
The order of the nitrogen bases along a gene forms a g___________ c__________.
genetic code.
300
When was DNA discovered
1953
300
How many kinds of nitrogen bases are there in DNA?
4
300
Chromosomes are made mostly of___________
What is DNA
300
The genetic code specifies what type of __________________ will be produced.
What is protein.
400
What did Rosalind Franklin use to help photograph DNA molecules
X-ray method
400
What are the four nitrogen bases?
Adenine, Thymine, Cytosine and Guanine.
400
A gene is made up of a series of bases in a row. These bases are arranged in a specific
Order
400
The production of proteins is called........
What is protein synthesis
500
What does DNA stand for?
Deoxyribonucleic acid
500
What nitrogen bases pair together?
Adenine Pairs with Thymine Cytosine Pairs with Guanine.
500
A single gene may contain _____________ or more bases.
What is a million
500
During protein synthesis, the cell uses information from one gene on a chromosome to produce specific _________________
What is proteins
M
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