Question
Statement 1: All cells arise from pre-existing cells.
Statement 2: All cells have a cell wall.
Answer: Option B
:
B
The cell theory was proposed by Matthias Schleiden (1838) and Theodor Schwann (1839), after studying plants and animal cells independently. It states that:
Cell wall is a rigid outer layer which is present in bacterial, fungal and plant cells, but not present in animal cells.
Was this answer helpful ?
:
B
The cell theory was proposed by Matthias Schleiden (1838) and Theodor Schwann (1839), after studying plants and animal cells independently. It states that:
- All living organisms are made up of cells.
- Cells are the smallest units in a living organism that can perform all the functions of life.
- Rudolf Virchow in 1858 said "Omnis cellula-e-cellula", which means that all cells arise from the pre-existing cells only.
Cell wall is a rigid outer layer which is present in bacterial, fungal and plant cells, but not present in animal cells.
Was this answer helpful ?
More Questions on This Topic :
Question 2. Plasma membrane is mainly composed of:....
Question 5.
Leucoplasts are present in___.
....
Question 9. Identify the cell organelle.....
Submit Solution