Question

OBSERVATIONS of human cheek cells,write your own answer if u know.

Features
Observations
Shape of cells
Arrangement of cells
Intercellular spaces
Cell wall
Cell membrane
Vacuoles​

Answer 1

• A cell wall is a structural layer surrounding some types of cells, just outside the cell membrane. It can be tough, flexible, and sometimes rigid. It provides the cell with both structural support and protection, and also acts as a filtering mechanism.
• Cocci (or coccus for a single cell) are round cells, sometimes slightly flattened when they are adjacent to one another. Bacilli (or bacillus for a single cell) are rod-shaped bacteria. Spirilla (or spirillum for a single cell) are curved bacteria which can range from a gently curved shape to a corkscrew-like spiral.
• Different shapes of cells are:
• Oval, round or spherical: Human RBC, Ovum.
• Spindle shaped (long and pointed at both ends): Muscle cell.
• Branched and elongated: Nerve Cells.
• Kidney Shaped: Guard Cells in leaves.
• Some cells keep on changing their shape.
• A vacuole is a membrane-bound organelle. They are a kind of vesicle. Vacuoles are closed sacs, made of membranes with inorganic or organic molecules inside, such as enzymes. They have no set shape or size, and the cell can change them as needed. They are in most eukaryotic cells and do many things.
• The cell membrane (plasma membrane) is a thin semi-permeable membrane that surrounds the cytoplasm of a cell. Its function is to protect the integrity of the interior of the cell by allowing certain substances into the cell while keeping other substances out

Answer 2

Answer:

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