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Key Area 1.3
Revision for Key area 1.3 DNA and proteins
Question | Answer |
---|---|
Describe the structure of DNA | Double Helix |
The building blocks of DNA are called ... | Nucleotides |
What are nucleotides made up of? | Base, Sugar, Phosphate |
Name all 4 bases of DNA | Adenine, Thymine, Cytosine, Guanine |
State the complementary base pairs | A and T, G and C |
Where are proteins synthesised in the cells | Ribosomes |
A sequence of bases on DNA that codes for a protein is called a | Gene |
What chemical carries a copy of the DNA sequence from the nucleus to the ribosome | mRNA |
What determines which protein is made | Order of bases |
DNA is stored in the nucleus in the form of... | Chromosomes |
How many chromosomes are in a diploid human cell | 46 chromosomes (23 pairs of chromosomes) |