Three different DNA polymerases make up the eukaryotic replication fork

Pol α/rimase is responsible for primer synthesis on the lagging strand.

The MCM helicase (the eukaryotic homolog of Dna B ) unwinds the dsDNA, while 

PCNA (homolog of ex) endows the complex with processivity.

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#Unit 5. Developmental Biology

In the Drosophila egg, karyokinesis occurs without cytokinesis to create a syncytium.

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#Unit 11. Evolution and Behavior

Dollo’s law:  A biological generalization positing that complex characters, once lost in evolution, are extremely unlikely to reappear and thus the loss of complex characters is virtually always irreversible.

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#Unit 10. Ecological Principles

Energy web emphasizing the links that process the most energy.  Line thickness indicates the relative amount of energy flowing along a particular link.

 

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#Unit 13. Methods in Biology

The relationship between truth or false of the null hypothesis and outcomes or result of the test is given in the tabular form.

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#Unit 7. System Physiology – Animal

During the refractory periods, excitable cells are incapable of producing normal action potentials