Pointers

  1. Home
  2. Free Resources
  3. Pointers
  4. 7756
TLS Online TPP Program

#Id: 7756

Fluorine (the most electronegative element) is assigned a value of 4.0, and values range down to cesium and francium which are the least electronegative at 0.7


#Section 2: General Biology #Structure of atoms #Part B Pointers
PYQ Links
  1. PYQ 1
Extensive Links
  1. Link 1
More Pointers
TLS Online TPP Program

#Id: 8207

#Section 3: Genetics, Cellular and Molecular Biology

Anthocyanin pigments stored in vacuoles

Color the petals of many flowers so as to attract pollinating insects
TLS Online TPP Program

#Id: 8206

#Section 3: Genetics, Cellular and Molecular Biology

Plant vacuole act as
a storage organelle for nutrients and waste products
a degradative compartment
an economical way of increasing cell size
a controller of turgor pressure
TLS Online TPP Program

#Id: 8205

#Section 3: Genetics, Cellular and Molecular Biology

Membranes of late endosomes and lysosomes contain V-class proton pumps that act in concert with Cl- channels to acidify the vesicle lumen.
TLS Online TPP Program

#Id: 8204

#Section 3: Genetics, Cellular and Molecular Biology

Lysosome H+ pump are V-type ATPases and has a similar architecture to the F-type ATPases
TLS Online TPP Program

#Id: 8203

#Section 3: Genetics, Cellular and Molecular Biology

An H+ ATPase in the membrane pumps H+ into the lysosome, maintaining its lumen at an acidic pH.
TLS Online TPP Program

#Id: 8202

#Section 3: Genetics, Cellular and Molecular Biology

Most of the lysosome membrane proteins, are highly glycosylated, which helps to protect them from the lysosome proteases