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dna quiz
Question | Answer |
---|---|
what are the small molecules that make up strand of dna called? | a five carbon sugar called deoxyribose, a phosphate molecule and four different nitrogenous bases (adenine, thymine, cytosine and guanine). |
what is the shape of dna? | double helix |
who discovered the shape of dna? | james watson and francis crick |
what are the 3 molecules that make up a nucleotides? | sugar(deoxyribose) phosphate andthen one of the four bases |
which molecules make up the sides of the dna ladder? | alternating sugar and phosphate molecules |
wich molecules make up the rungs of the dna ladder? | 4 types of nitrogen bases. |
making a copy of dna is called | replicated |
what sugar is found in dna? | deoxyribose |
what is a gene? | a gene is the basic physcal and functional unit of heredity |
wich nitrogen bases will bond together? | adenine and guanine |
what does dna stand for? | deoxyribonucleic acid |
where is most dna found un the cell? | nucleus |