Cells and Tissues : Cell Organelles

Question 1

Name the 4 principles of cell theory.

Answer 1

1. A cell is the basic structural and functional unit of living organisms.
2. Activity of the organism is dependent on the activities of its cells (individually or collectively)
3. continuity of life has a cellular basis
4. Biochemical activities of cells and by subcellular structures (principal by complementarity)

Question 2

Define the term “generalised or composite cell”.

Answer 2

Cells that have all the basic components and share some common functions.

Question 3

Name the 3 main cell organelles in eukaryotic cells.

Answer 3

Nucleus, Plasma membrane, cytoplasm