In prophase I of meiosis, an inversion loop forms.

TLS Online TPP Program

#Id: 10421

#Unit 4. Cell Communication and Cell Signaling

Snail and Twist promote expression of genes involved in cell migration, loss of cell-cell adhesion, loss of cell polarity, and increase the production of proteases that digest the basement membrane

TLS Online TPP Program

#Id: 5507

#Unit 10. Ecological Principles

The proportion of occupied patches will stabilize over time to 1− (x/m) x is the extinction rate of populations in patches per unit time m is the rate of movement between patches

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#Id: 2819

#Unit 13. Methods in Biology

Ion-exchange chromatography relies on the attraction between oppositely charged stationary phase, known as an ion exchanger, and analyte.

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#Id: 529

#Unit 2. Cellular Organization

Sequences that presumably diverged as a result of gene duplication are paralogous.

TLS Online TPP Program

#Id: 6558

#Unit 7. System Physiology – Animal

In A cells, preproglucagon is processed primarily to glucagon and major proglucagon fragment (MPGF)