Molecular Genetics

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Across
  1. 2. The type of RNA that associates with proteins to form ribosomes in the cytoplasm.
  2. 3. A process by which a special double-stranded RNA initiates the breakdown a complementary mRNA, blocking gene expression.
  3. 6. The process whereby genetic information coded in messenger RNA directs the formation of a specific protein at a ribosome in the cytoplasm.
  4. 8. Contain a base, a sugar, and a phosphate.
  5. 9. The three base code in DNA or mRNA.
  6. 10. Twisted ladder shape, formed by two strands of nucleotides twisted around each other.
Down
  1. 1. A permanent change that occurs in a cells DNA.
  2. 4. The organic process whereby the DNA sequence in a gene is copied into mRNA.
  3. 5. The enzyme that catalyzes the addition of appropriate nucleotides to the new DNA strand.
  4. 7. A nucleic acid simaliar to DNA. However it contains the sugar ribose, and uracil replaces thymine, usually single stranded.