DNA, RNA nad Protiend Synthesis Chapter 12
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Griffith | discovered transformation
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| transformation | genetic information that can me transferred from one living thing to another
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| avery | discovered that DNA stores and transmits genetic information
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| Hershe & Chase | discoverd that the genetic information in a virus is DNA not protene
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| what is DNA made of | nucleotides
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| what are Nucleotides made of | 1 phosphate 2 sugar 3 base
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| what does DNA A pair with | T
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| what does DNA G pair with | C
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| Rosalind Franklin | used X-ray diffration to study the sturuture of DNA
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| Watson & Crick | mad a molcule of DNAshowed that DNA was a double stranded molecule, called a double helix
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| what is DNA | 2 strands of NUCLEOTIDES wrapped around each other, and connected my base pairs in the middle, forming a twisted ladder shape
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| what are Chromosomes mad of | DNA
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| what must Chromosomes do before they dicided | they must copy
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| Mutation | a change in gean a socurce of genetic variation, not all mutations are harmful!
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| point mutations | change in a single base
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| substion | one base is substiuted for anoter
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| frameshift mutations | harmful poin mutations becasue they change the "reading frame"
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| insetion | and extra bas is insterted
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| deletion | a base is left out
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| cromosombal mutations | change in a sturcture of chromosomes
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