A ‘slime layer’ or a ‘capsule’ is a modification of which of the following layers of the cell envelope of a prokaryotic cell?
1. | Glycocalyx | 2. | Cell wall |
3. | Lipoprotein layer | 4. | Cell membrane |
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The middle lamella of the cell wall is composed of:
1. | Calcium carbonate | 2. | Calcium phosphate |
3. | Calcium pectate | 4. | Calcium oxalate |
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Algal cell walls are made up of:
1. Cellulose, Galactans, Mannans and Minerals
2. Cellulose, Hemicellulose, Pectins and Proteins
3. Cellulose, Pectins, Mannans and Minerals
4. Cellulose, Hemicellulose, Mannans and Pectins
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Which one of the following structures between two adjacent cells is an effective transport pathway ?
1. | Plastoquinones | 2. | Endoplasmic reticulum |
3. | Plasmalemma | 4. | Plasmodesmata |
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