Pectin occurs in

Pits occur in or pitted thickning occurs in

External respiration occurs in the ________________ and internal respiration occurs in the ___________________

External respiration occurs in the ________________ and internal respiration occurs in the ___________________

Pectin is

Pectin is

Explain-Oxidation occurs at anode and reduction occurs at cathode.

How is pectin useful in birds?

What is the term used for uptake of water by the hemicellulose and pectin molecules of seed wall?