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DNA
study guide questions
Question | Answer |
---|---|
What are the small molecules that make up a strand of DNA called? | nucleotide's |
What is the shape of DNA? | double helix |
Who discovered the shape of DNA? | James Watson and Francis Crick |
What are the three molecules that make up a nucleotide? | deoxyribose, phosphate, and the nitrogen bases |
Which molecules make up the sides of the DNA "ladder"? | alternating sugar( deoxyribose) and phosphate |
Which molecules make up the rungs of the DNA "ladder"? | four nitrogen bases |
Making a copy of DNA is called what? | replication |
What sugar is found in DNA? | deoxyribose |
What is a gene? | a gene is a segment of DNA that codes a particular protein which turns codes for a trait. |
Which nitrogen bases bond together? | adenine to thymine & cytosine to guanine |
What does DNA stand for? | deoxyribonucleic acid |
Where is most DNA found in the cell? | nucleus |