DNA Replication and Functions
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
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| DNA Replications | show 🗑
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| What were the 3 models of replication propose? | show 🗑
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| show | DNA replication produces DNA molecules with 1 parental and 1 newly made strand
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| show | DNA replications produces 1 double helix with both parental strands and other with 2 new daughter strands.
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| Dispersive | show 🗑
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| show | a. 2 parental strands separate and serves as template strands.
b. new nucleotides must obey the AT/GC rule
c. end results with 2 new double helix and with same base sequence as original
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| show | site of start point for replication
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| show | Replication is bidirectional in which it proceeds outward in both directions
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| How is bacteria and eukaryotic differ in their replication? | show 🗑
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| What is the origin of replication? | show 🗑
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| show | near the folk
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| How is DNA synthesis begins? | show 🗑
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| show | Made in direction fork is moving and synthesize as one long continuous strand and only require one primer
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| Lagging strand | show 🗑
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| show | a. Primase synthesizes short RNA oligonucleotides copied from DNA
b. DNA polymerase III elongates RNA primers with new DNA
c. DNA polymerase I removes RNA at the 5 prime end of neighboring fragment and fills the gap
d. DNA ligase connect the DNA
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| show | binds to DNA and travels from 5 to 3; uses ATP to separate strands and move fork.
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| DNA topoisomerase | show 🗑
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| Single-strand binding protein | show 🗑
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| DNA polymerase | show 🗑
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| Deoxynucleoside triphosphate | show 🗑
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| Characteristic of DNA polymerase | show 🗑
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| show | 1. Polymerase III which is responsible for replication
2. DNA polymerase I has single subunit which is to remove RNA primer and fills in DNA
3. DNA II, IV involved in repair and replicate damage DNA
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| What happen if there is not any template strand to go off? | show 🗑
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| show | series of repeated sequences of DNA and its only in eukryotes
at the 3 prime end, it does not have a complementary strand and its called an 3 prime overhang
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| Telomerase | show 🗑
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Created by:
mung44
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