Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEET2009BotanyCell - The Unit of LifeActual

Middle lamella is mainly composed of

Options

  1. Ahemicellulose
  2. Bmuramic acid
  3. Ccalcium pectate
  4. Dphosphoglycerides

Correct answer

C. calcium pectate

Step-by-step solution

The middle lamella is cementing layer between the cells. It is made up of Ca and Mg pectates. The basic chemical unit of pectin is galacturonic acid, which have the capability of salt formation with calcium and magnesium (an acid base reaction).

Practice Cell - The Unit of Life on Quantrex Academy →

More from Cell - The Unit of Life

Choose the correct statements regarding cell organelles and their inclusions. A. The endomembrane system includes Golgi complex, endoplasmic reticulum and mitochondria. B. Rough en 2026The plastid that stores xanthophyll is known as __________. 2026Which of the following are characteristics of prokaryotic cells ? (a) Ribosomes are made of 50S and 30S subunits (b) They can have plasmids (c) They contain mesosome (d) They have 2026Non-membrane bound cell organelles found in both prokaryotic and eukaryotic cells are : 2026Match List-I with List-II . List-I List-II A. Cristae I. Flat membrane sacs in stroma of chloroplast B. Cisternae II. Infoldings in mitochondria C. Thylakoids III. Cell membrane D. 2026Cell theory was formulated by __________. 2026Mitochondrial inner membrane encloses__________. 2026Which one of the following is the site for active ribosomal RNA synthesis ? 2026 Full Cell - The Unit of Life list All NEET PYQs