Genetic Code Vocabulary L1 Part 2

123456789
Across
  1. 3. carries pieces of the code out of the nucleus, to the ribosomes
  2. 4. three nitrogenous bases that code for one amino acid
  3. 5. when a ribosome uses a piece of mRNA to make a protein
  4. 7. a mistake in copying DNA before meiosis or mitosis
  5. 9. ---bases: Cytosine binds with guanine; Adenine binds with thymine or uracil.
Down
  1. 1. when mRNA makes a reverse copy of a piece of DNA
  2. 2. pieces of RNA or DNA with a 5-carbon sugar, a phosphate group, and a nitrogenous base
  3. 6. a section of DNA that produces a working piece of mRNA
  4. 8. brings amino acids to the ribosome so they can be bonded together