Select the incorrect statement: (a) Glycocalyx differs in...

Select the incorrect statement:
(a) Glycocalyx differs in composition and thickness among different bacteria.
(b) All organism are made of cells or aggregates of cells.
(c) ER helps in synthesis of proteins, lipoproteins and glycogen.
(d) Cells of all living organisms have nuclues

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Key Concepts

Glycocalyx

The glycocalyx is a carbohydrate-rich layer present on the cell surface that provides protection and aids in cell recognition. Its composition and thickness can vary significantly among different bacteria, reflecting adaptations to various environments and functions.

Endoplasmic Reticulum

The endoplasmic reticulum (ER) in eukaryotic cells plays crucial roles in cellular metabolism. The rough ER is associated with protein synthesis due to the presence of ribosomes, while the smooth ER is involved in lipid, lipoprotein, and glycogen synthesis, reflecting its diverse functional capacities.

Cell Theory

Cell theory establishes that all living organisms are composed of one or more cells, which are considered the basic units of life. This concept underpins the understanding that every organism, regardless of its complexity, is built upon cellular structure.

Prokaryotic vs Eukaryotic Cells

Cells are broadly categorized into two main types: prokaryotic cells, which lack a true nucleus and membrane-bound organelles, and eukaryotic cells, which possess a defined nucleus and various organelles. This distinction is critical for understanding differences in cellular organization across all living organisms.

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