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Biology Ch. 10

QuestionAnswer
1.) DNA is made up of___ nucleotides
2.)nucleotides are made up of sugar (deoxyribose), phosphate, base
3.)Bases Adenine, guanine, cytosine, thymine
4.)Purines Adenine, guanine
5.)Pyrimidines Cytosine, thymine
6.)Watson and Crick suggested Double Helix
7.) They won the 1962 Nobel Prize in Medicine
8.)Letters used to signify bases A,G,C,T
9) Complementary bases A-T, C-G
10.) Copying DNA replication
11.) Nucleotide chains are broken down by Helicases
12.) Helicases breakdown Hydrogen bonds in bases
13.) DNA polymerase Bind to separated DNA chains
14.) DNA polymerase create 2 new copies of DNA
15.) Proofreading enzymes bring error rate down to 1 per 1 Billion nucleotides
16.)RNA consists of sugar (ribose), phosphate, base
17.) RNA does not have this base Thymine
18.) RNA has this differentiating base Uracil
19.)RNA is single stranded
20.)Form of Messenger RNA (mRNA) Uncoiled chain
21.) Form of Transfer RNA (tRNA) Hairpin shape
22.) Form of Ribosomal RNA (rRNA) globular form
23.)Transcription is when genetic information is copied from DNA to RNA
24.) Products of transcription Different forms of RNA including mRNA, tRNA, rRNA
25.) mRNA moves to the cytoplasm to direct protein synthesis
26.)Production of proteins protein synthesis
27.)mRNA carries DNA in the nucleus to the cytoplasm
28.) There are about 45 varieties of tRNA
29.)rRNA is the Most abundant form
30.)tRNA binds to specific amino acids
Created by: 890020604h