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DNA must ________________________ before a cell divides.
replicate
double helix
gene
chromosomes
adenine
mutations
DNA fingerprint
sugar, phosphate, and a nitrogen base
DNA is wound up into structures called ___________________.
replicate
double helix
gene
chromosomes
adenine
mutations
DNA fingerprint
sugar, phosphate, and a nitrogen base
If 60% of a DNA sample is thymine, then there will be 60% _________________.
replicate
double helix
gene
chromosomes
adenine
mutations
DNA fingerprint
sugar, phosphate, and a nitrogen base
What is the shape of DNA?
replicate
double helix
gene
chromosomes
adenine
mutations
DNA fingerprint
sugar, phosphate, and a nitrogen base
A nucleotide is made up of what three things?
replicate
double helix
gene
chromosomes
adenine
mutations
DNA fingerprint
sugar, phosphate, and a nitrogen base
A string of nucleotides with the instructions for a trait is called a ________________________.
replicate
double helix
gene
chromosomes
adenine
mutations
DNA fingerprint
sugar, phosphate, and a nitrogen base
Forensic scientists can solve crimes using a person's ________________________.
replicate
double helix
gene
chromosomes
adenine
mutations
DNA fingerprint
sugar, phosphate, and a nitrogen base
Changes in a base of DNA are _____________________.
replicate
double helix
gene
chromosomes
adenine
mutations
DNA fingerprint
sugar, phosphate, and a nitrogen base
Check it!