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