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DNA Review Puzzle

Teacher: Mrs. Heissenbuttel
Across
Instead of thymine, mRNA contains the base ____
Matches with cytosine
The process of copying DNA is called _____.
Matches with Guanine
In 1953, James Watson and Francis ____ established the structure of DNA
DNA is also found in organelles, the_____ and chloroplasts, though it is the DNA in the nucleus that actually controls the cell's workings.
The structure of DNA is a _____, which is like a twisted ladder.
Segment of DNA that codes for a particular protein
Regions of DNA that do not code for proteins are called ____
Down
Matches with thymine
When the DNA is ready to copy, the molecule “unzips” itself and new ____ are added to each side.
The sides of the ladder are made of alternating sugar and ____ molecules
Thread-like strands composed of the chemical DNA
Genetic material of all living things
Matches with adenine