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LifeScience1
| Question | Answer |
|---|---|
| chromosomes are made of ? | protein and DNA |
| the gene material must be able to do two things what are they? | it must be able to supply instruction for cell processes and for building cell structures second it must be able to be copied each time a cell divides so that each cell contains a set of genes |
| DNA is made up of repeating subunits called | nucleotides |
| Each DNA molecule consists of | two long chains |
| each nucleotide consits of three things they are | a sugar,a phosphate, and a base |
| nucleotides are identical except for the | base |
| the four nitrogen-containing bases found in dna nucleotides are | adenine,guanine,cytosine,and thymine |
| who photographs DNA | Rosalind Franklin |
| What two men figured out the structure of DNA | James Watson and Francis Crick |