During phytochrome-mediated leaflet closure, the apoplastic pH of the dorsal motor cells (the cells that swell during leaflet closure) decreases, while the apoplastic pH of the ventral motor cells (the cells that shrink during leaflet closure) increases. 

TLS Online TPP Program

#Id: 2250

#Unit 11. Evolution and Behavior

A phenotypic distribution is determined by genetic and environmental factors.

TLS Online TPP Program

#Id: 2499

#Unit 13. Methods in Biology

There are two major advantages to running gradient gels. 

First, a much greater range of protein Mr values can be separated than on a fixed- percentage gel.

TLS Online TPP Program

#Id: 7739

#Unit 1. Molecules and their Interaction Relevant to Biology

Atoms are characterised by:

Radius

Ionization energy

Electron affinity

Electronegativity

Metallic character

Oxidation potential

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#Id: 8894

#Unit 2. Cellular Organization

Syntelic attachment 

Both kinetochores of a sister chromatid pair can attach to microtubules from the same pole

TLS Online TPP Program

#Id: 5450

#Unit 7. System Physiology – Animal

The absolute refractory period overlaps with almost the entire duration of the action potential. During this period, no matter how great the stimulus, another action potential cannot be elicited.