Chemistry 1004 Professor Zysmilich Lecture Notes 3.28.12

What is the percentage of guanine g in this dna

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Unformatted text preview: of itself because of the double helix • **Extra credit: A sample of DNA is 20% adenine (A). What is the percentage of guanine (G) in this DNA sample? 30% • DNA is packaged into structures called chromosomes • Human body cells have 46 chromosomes (23 pairs) Replication (in the cell nucleus) Chemistry 1004 Professor Zysmilich Lecture Notes 3.28.12 WWW.STUDYTHERIGHTWAY.COM 1 • Process by which copies of DNA are made. Catalyzed by the enzyme DNA polymerase • How is the genetic information stored in DNA transferred to proteins? By transcription Transcription • Messenger RNA (mRNA) molecules are produced • The base sequence is translated to an amino acid sequence • The genetic code is written in groups of 3 DNA bases called codons o This i...
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