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Published byBrent Jennings Modified over 6 years ago
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What makes a good molecule for storing information
DNA
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What molecules bases can be joined together in any order
DNA
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In prokaryotes, DNA replication (gets copied) happens before ________ __________
Cell division
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In eukaryotes, DNA replication (gets copied) happens before ________ __________
Cell division
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What do bacteriophages infect?
bacteria
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Where is the DNA located within eukaryotes
Inside nucleus
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What type of organism has its DNA contained within a nucleus
eukaryote
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What form of genetic material includes DNA molecules, histones, nucleosomes, and super coils
chromosome
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What will the DNA strand GATCCA replicate to produce
CTAGGT
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How many strands of DNA does DNA replication result in
2
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What process results in one original strand of DNA and one new strand of DNA
DNA replication
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In which cells is the accurate transmission of information most important
Sex cells
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What is an example of a nucleotide found in DNA
Deoxyribose + phosphate group + cytosine (or thymine, adenine, or guanine)
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What concept states that the % of thymine is about equal to the % adenine
Base pairing
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According to base pairing; the % of adenine is about equal to _______
thymine
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Which scientist observed harmless bacteria being transformed
Griffith
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What did Griffith call the process of the harmless bacteria being transformed
transformation
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Avery concluded that _____ was the transforming factor that caused transformation
DNA
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Bacteriophages have DNA; what is the monomer of DNA
Nucleic acid
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What did Hershey and Chase use to label the viral DNA
Radioactive phosphorous
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Does DNA contain phosphorous or sulfur
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What stores information in a cell
DNA
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When a piece of ____ is missing, genetic information is lost
DNA
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What is lost when a piece of DNA is missing
Genetic inforamtion
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DNA stores information, what must happen before it can be passed on
Must be copied
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What is this entire structure called?
DNA molecule
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Based on Chargaff’s rule: if A=28. 8 and C=21
Based on Chargaff’s rule: if A=28.8 and C=21.5 What should the % of guanine be? 21.5 because %G=%C
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Based on Chargaff’s rule; if A=13.4 what is the % of cytosine
36.6 because ( X 2)/2
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Who's rule suggests that the % of A=T and C=G
Chargaff
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Who produced images of DNA molecules using x-rays
Rosalind Franklin
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Rosalind Franklin contributed to the understanding of ______using an x-ray
DNA
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What is the shape of a DNA molecule
Double helix
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Which scientists figured out that a DNA molecule was in the shape of a double helix
Watson and Crick
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Which base pairs with thymine
adenine
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Which base pairs with guanine
cytosine
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Which base pairs with adenine
thymine
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Which base pairs with cytosine
guanine
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What enzyme adds base pairs during DNA replication
DNA polymerase
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In prokaryotes, how many copies of the chromosome are left after replication
2
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In eukaryotes, how many copies of the chromosome are left after replication
2
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