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morgan

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29 Terms

1

morgan

who showed that genes are located on chromosomes

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2

griffith

who worked with pneumonia in mice, two strains, and transformation

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3

avery

who isolated macromolecules to find out that DNA is the transforming agent

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4

hershey and chase

who worked with bacteriophages

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5

chargaff

who found out that there are equal parts a and t, equal parts g and c

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6

watson and crick, franklin

who found that dna is a double helix shape

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7

DNA proteins

chromosomes are made of ____ and ________

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8

live

R strain + mice =

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9

dead

S strain + mice =

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10

live

heat + S strain + mice =

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11

dead

heat + S strain + R strain + mice =

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12

CHON S

proteins are ____ and sometimes _

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13

PONCH

nucleic acids are ____

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14

polymer nucleotides

DNA is a _______ (repeated subunits) of __________

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15

cytosine uracil thymine single

pyrimadines are _________, _________, and _________, and they are _______ ringed

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16

adenine guanine double

purines are _________ and ________ and they are _________ ringed

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17

sugar phosphate nitrogenous bases

DNA - double helix, laddar - sides of the ladder are the _____ and _________ backbone and the rungs of the ladder are the ___________ _____

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18

origins of replication

the sites where DNA replication begins

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19

bubble

at each replication origin a replication “________” forms, and dna replication occurs in these away from the replication origin

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20

DNA polymerase III

enzymes that speed up the elongation of new DNA at a replication fork by adding nucleotides to the strand

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21

5 3

DNA replication only occurs in the _’ to _’ direction

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22

bottom F1 N15 N14 middle top middle N14 N15

semi conservative model that’s on the back of our rg: P generation, N15, the DNA is in the ______ of the test tube. then, as it replicates the __ generation is half ___ and half ___. it’s in the ______ of the test tube. then, in the F2 generation, 2 strands are in the ___ of the test tube and two are in the ______ still. the graph shows us that it will be mainly ___, but never entirely because the ___ from the parent generation will still be there.

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23

DNA helicase

step one of DNA replication: ___ _________ unwinds DNA and breaks h bonds

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24

single stranded binding proteins

step two of DNA replication: what stabalizes DNA

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25

RNA primase RNA primer

step three of DNA replication: ___ ________ adds what?

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26

deoxynucleoside triphosphates

step four of DNA replication: DNA Polymerase III adds what

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27

anti parallel

DNA runs

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28

replicated continuously discontinuously okazaki fragments

the leading strand is ________ ___________while the lagging strand is replicated ___________ into _______ ___________

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29

dna polymerase I

what removes RNA Primer

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