DNA = “sequence = message”: order of letters carries the instructions.
1. What best describes DNA in living cells?
2. Why does the order of nucleotides in a gene matter?
3. What is a nucleotide in DNA made of?
ADN — definition?
Nucleic acid storing hereditary info.
Genetic information — role?
Carries instructions for traits via genes.
Gene — role?
Contains instructions to produce a specific protein.
DNA structure — component?
Double helix with two antiparallel strands.
Nucleotide — parts?
Phosphate, deoxyribose, nitrogen base.
Antiparallel — meaning?
Strands run in opposite 5'→3' directions.
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