PHG111-lec 4-A

It possesses all features of the whole organism, such as metabolism, growth, movement, and others

• cell

• cell wall

• tissue

• cell membrane

…………….is a layer rich in pectins, glue cells together

• plasma membrane

• Middle lamella

• primary cell wall

• secondary cell wall

A thick layer formed inside the primary cell wall after the cell is fully grown, found in xylem

• primary cell wall

• cell membrane

• secondary cell wall

• Middle lamella

A cell wall composed of Polysaccharide complexes of sugar and uronic acid

• cutinised wall

• Suberised wall

• Mucilagenous wall

hemicellulose can be tested with

• sudan III

• millon's reagent

• iodine

mucilage in cell wall can be detected with

• ruthenium red

• iodine

• picric acid

..... is complex polymer of phenolic compounds , found in walls of trachieds and vessels

• lignin

• suberin

• mucilage

...... are glycerol esters of acids and are water proof

• lignin & mucilage

• celluose & hemicellulose

• suberin & cutin

lignin can be tested by using phloroglucinol and HCl giving red color

• true

• false

Cutin can be tested with suddan III giving red color

• true

• false