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TLS Online TPP Program

#Id: 8405

Muscle contraction depends on two processes that consume enormous amounts of ATP: 
1. Filament sliding, driven by the ATPase of the myosin
2. Ca2+ pumping, driven by the Ca2+ ATPase

#XL - Q Biochemistry #Myosin & Muscle Contraction #Part B Pointers
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TLS Online TPP Program

#Id: 9314

#XL - T Zoology

3 or 4 cGMP molecules must bind to each channel in order to open it; because of this cooperative allosteric interaction, channel opening is very sensitive to small changes in cGMP levels.
TLS Online TPP Program

#Id: 8136

#XL - Q Biochemistry

Golgi apparatus is a major site of carbohydrate synthesis, as well as a sorting and dispatching station for proteins products.
TLS Online TPP Program

#Id: 349

#XL - R Botany

The oxaloacetate is converted to PEP by phosphoenolpyruvate carboxykinase. This Mg2+ dependent reaction requires GTP as the phosphoryl group donor.
TLS Online TPP Program

#Id: 10586

#XL - R Botany

Reproduction

sexual reproduction-  by fusion of two gametes

Isogamous (Spirogyra), Anisogamous (Chlamydomonas) or Oogamous (Volvox).
TLS Online TPP Program

#Id: 10651

#XL - R Botany

Life cycle of angiosperm