Pol a/primase enzyme binds to the initiation complex at the origin and synthesizes a short strand consisting of 10 bases of RNA followed by 20 to 30 bases of DNA called as iDNA. 

It is then replaced by an enzyme that will extend the chain.  On the leading strand, this is DNA polymerase E; on the lagging strand this is DNA polymerase d. This event is called the polymerase switch.

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#Unit 10. Ecological Principles

The cohort life table follows a cohort of individuals from birth to death. 

Cohort life tables can be used to estimate the age-specific probabilities of survival.

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#Unit 5. Developmental Biology

The P2 cell is also critical in giving the signal that distinguishes ABp from its sister, ABa

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#Unit 4. Cell Communication and Cell Signaling

Necroptosis

A type of necrosis triggered by extracellular hormones that causes inflammation

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#Id: 355

#Unit 1. Molecules and their Interaction Relevant to Biology

Acetyl-CoA inhibits the transacetylase component whereas NADH inhibits the dihydrolipoyl dehydrogenase component. 

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#Unit 11. Evolution and Behavior

One is unequal crossing over, in which recombination happens between different positions on chromosomes that are misaligned during meiosis. 

Another is replication slippage, in which the DNA polymerase loses its place and copies a segment of chromosome twice.