PROKARYOTIC REPLICATION to ANTIMETABOLITES Flashcards

1
Q

verifies if base pairing is correct and catalyzes formation of new phosphodiester linkage between nucleotide and growing strand

A

DNA POLYMERASE III

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2
Q

influence the unwinding of DNA double helix and hydrogen bond between complementary bases are broke

A

DNA HELICASE

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3
Q

biochemical process which DNA molecules produce exact duplicates of themselves

A

DNA REPLICATION

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4
Q

Steps of prokaryotic replication of DNA molecules

A

1) Helicases unwind
2) Single-strand binding proteins
3) leading strand
4) lagging strand
5) After the RNA primer

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5
Q

point which DNA double helix unwinds and is constantly changing/moving

A

REPLICATION FORK

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6
Q

strand grows continuously

A

LEADING STRAND

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7
Q

strand is synthesized small segments

A

LAGGING STRAND

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8
Q

segments, the DNA unwinds

A

OKAZAKI FRAGMENTS

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9
Q

Okazaki fragments is named after

A

REIJI OKAZAKI

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10
Q

breaks or gaps of the daughter strand

A

NICKS

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11
Q

influence the unwinding of DNA double helix and hydrogen bond between complementary bases are broke

A

DNA HELICASE

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12
Q

recognizes primer and begins to extend it with DNA

A

DNA POLYMERASE III

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13
Q

synthesizes short stretches of RNA (10 nucleotides long) that are completely complementary and antiparallel to DNA template

A

PRIMASE

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14
Q

RNA prime an initiates DNA synthesis

A

RNA PRIMER

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15
Q

main ingredient of replication

A

RNA PRIMER

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16
Q

used for PCR amplification

A

DNA PRIMER

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17
Q

PCR meaning

A

polymerase chain reaction

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18
Q

removes RNA primers from fragments and replace the required nucleotides

A

DNA POLYMERASE I

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19
Q

connects two strands of DNA together by forming a bond between phosphate group of one strand (DNA pol. III) and deoxyribose grp on another (DNA pol. I)

A

DNA LIGASE

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20
Q

used in cells to join together Okazaki fragments which are formed in lagging strand

A

DNA LIGASE

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21
Q

zips old and new strands together

A

DNA LIGASE

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22
Q

it removes primer

A

EXONUCLEASE

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23
Q

this material unwinds the DNA

A

DNA helicase

24
Q

these materials manufacture new DNA strands

A

POLYMERASE

25
what type of replication does prokaryotic and eukaryotic organisms have or follow?
SEMI-CONSERVATIVE REPLICATION
26
this type of replication manufactures individual strands of DNA in different directions and produces a leading and lagging strand
SEMI-CONSERVATIVE REPLICATION
27
these are created by the production of small DNA fragments (Okazaki fragments)
LAGGING STRANDS
28
Lagging strands are created by the production of small DNA fragments called?
OKAZAKI FRAGMENTS
29
PROKAR / EUKAR: occurs in the cytoplasm
PROKAR
30
PROKAR / EUKAR: occurs in the nucleus
EUKAR
31
PROKAR / EUKAR: single origin of replication
PROKAR
32
PROKAR / EUKAR: numerous or many origin of replication
EUKAR
33
PROKAR / EUKAR: replication occurs in 2 opposing ends
PROKAR
34
PROKAR / EUKAR: uses unidirectional replication
EUKAR
35
PROKAR / EUKAR: possess one/two types of polymerase
PROKAR
36
PROKAR / EUKAR: has 4/more polymerase
EUKAR
37
PROKAR / EUKAR: DNA polymerase Y replicates mitochondrial DNA
EUKAR
38
PROKAR / EUKAR: DNA polymerase III carries both initiation and elongation
PROKAR
39
PROKAR / EUKAR: initiation is carried out by DNA polymerase a while elongation is carried out by DNA d (lagging strand) and e (leading strand)
EUKAR
40
PROKAR / EUKAR: DNA polymerase I repairs DNA and fills gaps
PROKAR
41
PROKAR / EUKAR: DNA polymerase B repairs DNA and fills gaps
EUKAR
42
PROKAR / EUKAR: okazaki fragments are large; 1000-2000 nucleotides long
PROKAR
43
PROKAR / EUKAR: okazaki frgaments are short; 100-200 nucleotides long
EUKAR
44
PROKAR / EUKAR: replication is very rapid
PROKAR
45
PROKAR / EUKAR: 2000 base pair/second
PROKAR
46
PROKAR / EUKAR: replication occurs at 40 minutes
PROKAR
47
PROKAR / EUKAR: replication is slow
EUKAR
48
PROKAR / EUKAR: 100 nucleotides/second
EUKAR
49
PROKAR / EUKAR: replication occurs at 400 hrs
EUKAR
50
PROKAR / EUKAR: DNA gyrase is needed
PROKAR
51
PROKAR / EUKAR: DNA gyrase is not needed
EUKAR
52
PROKAR / EUKAR: also has a distinct process for replicating telomeres at ends of chromosomes
EUKAR
53
PROKAR / EUKAR: no ends to synthesize and with short replication because of circular chromosome
PROKAR
54
PROKAR / EUKAR: replication occurs almost continuously
PROKAR
55
PROKAR / EUKAR: only undergo replication during S-phase of cell cycle
EUKAR