The middle lamella is composed mainly of:
Correct answer: B. Calcium pectate
- A. Muramic acid
- B. Calcium pectate
- C. Phosphoglycerides
- D. Hemicellulose
Explanation
The middle lamella is primarily composed of calcium pectate, which acts as a cementing agent between plant cells. It is rich in pectin, aiding in cell adhesion.
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Animal, plant, prokaryotic and eukaryotic cells are compared through their membranes, cell walls, nuclei and cytoplasmic organelles. The work includes the structures and functions of mitochondria, chloroplasts, ribosomes, endoplasmic reticulum, Golgi apparatus and lysosomes, as well as chromosome organization and the distinction between chromatin and chromosomes.
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