Yes it can change to a darker red if infected. It is usually a pink color.
Guard cells change shape to open and close stomata. When they are flaccid, the stoma is closed. When they are full of water and firm, the stoma is open. There are 2 guard cells controlling a stoma. Water enters guard cells by osmosis and they change shape.
Stoma
No they can not change colors
The cast of Apo stoma se stoma - 2003 includes: Maria Bakodimou as Hostess Fotis Sergoulopoulos as Host
The Phosphorus change colors is Chameleons.
The structure of the stoma is oval. It can either be turgid or flaccid.
Pale stoma indicates anemia
The plural of stoma is stomata.
Stomata is already the plural form of stoma.
each and every cell
A stoma or ostomy is a pink and moist hole in the stomach made under surgical procedure. Stoma has three types which are: the colostomy, ileostomy and the urostomy
Guard cells make up the stoma