Question

1. What is the difference between unicellular and multicellular organisms?

2. What are the shape and size of cell?

3. What is cell made up of?

4. What is cell membrane? Explain.

5. What is the difference between osmosis and diffusion?​

Answer 1

Answer:

the difference between unicellular and multicellular. Unicellular means it contain only one cell and Multicellular means it contains more than 1

Answer 2

Answer:

1. Unicellular organisms are made up of only one cell that carries out all of the functions needed by the organism, while multicellular organisms use many different cells to function. ... Multicellular organisms are composed of more than one cell, with groups of cells differentiating to take on specialized functions.
2. Considering an animal cell, we can generalize the form of a cell as round (spherical) or irregular. Plant cells are far more rigid and rectangular in shape. The size of a cell is often as small as 0.0001 mm (Mycoplasma) and as large as six to 12 inches (Caulerpa taxifolia).
3. A cell consists of three parts, nucleus, cell membrane and cytoplasm between the two. Nucleus contains the DNA and how the cell functions is determined by the nucleus. Cells are the basic building blocks of all living things. The human body is composed of trillions of cells.
4. The cell membrane, also called the plasma membrane, is found in all cells and separates the interior of the cell from the outside environment. The cell membrane consists of a lipid bilayer that is semipermeable. The cell membrane regulates the transport of materials entering and exiting the cell.
5. Osmosis is the movement of solvent particles from a solution that is diluted to a more concentrated one. In contrast, diffusion is the movement of particles from a higher concentration region to a region of lower concentration.

Explanation: