Before replication, the palindromic target GATC site is methylated by dam methylase on the N6 of A of each strand.

Replication generates hemimethylated DNA, in which one strand is methylated and one strand is unmethylated.

Thus, the replication event converts Dam target sites from fully methylated to hemimethylated condition.

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#Id: 5639

#Unit 7. System Physiology – Animal

Blind spot  There are no visual receptors over the optic disk

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#Id: 6600

#Unit 7. System Physiology – Animal

Granulosa cells have FSH receptors 

Theca cells have LH receptors

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#Id: 96

#Unit 5. Developmental Biology

Cytoplasmic Determinants are molecules, often transcription factors that regulate gene expression that directs the cell along a particular path of maturation.

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#Id: 1766

#Unit 4. Cell Communication and Cell Signaling

Activated T cells express increased levels of Fas and FasL. In both B and T cells, engagement of Fas by FasL induces a rapid apoptotic death known as activation-induced cell death (AICD).

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#Id: 7807

#Unit 10. Ecological Principles

SPATIAL ENVIRONMENTAL VARIATION

Environmental variation also occurs from place to place due to large-scale variation in climate, topography, and soil type