Increased [Ca2+]cyt activates plasma membrane anion efflux channels, and these two effects combine to depolarize the membrane. Membrane depolarization closes voltage‐sensitive K+ in channels but opens K+ out channels. 

TLS Online TPP Program

#Id: 4983

#Unit 6. System Physiology – Plant

Role of phytochrome in shade perception in sun plants versus shade plants.

TLS Online TPP Program

#Id: 5053

#Unit 3. Fundamental Processes

DnaA has a weak ATPase intrinsic activity which is enhanced by a factor termed Hda.

In a conceptually elegant feedback loop, Hda is recruited to a replication origin via the b subunit of the DNA polymerase. it acts to switch off DnaA

TLS Online TPP Program

#Id: 8300

#Unit 1. Molecules and their Interaction Relevant to Biology

Progress curve for a reaction of the form

TLS Online TPP Program

#Id: 4703

#Unit 11. Evolution and Behavior

TLS Online TPP Program

#Id: 8395

#Unit 2. Cellular Organization

Sarcomere

Within each skeletal muscle cell are many myofibrils consisting of a repeating array of a specialized structure