Biologymedium · Past Paper
Which of these is NOT part of the cell theory as originally proposed?
AAll organisms are made of cells
BCell is the basic unit of life
CAll cells contain a nucleus
DAll cells come from pre-existing cells
✓ Correct Answer: C — All cells contain a nucleus
Prokaryotic cells do not have a nucleus, so 'all cells contain a nucleus' is not a tenet of cell theory.
Share this question
More from Biology
- Crossing over between non-sister chromatids occurs in:
- The study of heredity and variations is called:
- Which organelle is involved in the secretion and packaging of materials?
- If a red-flowered plant is crossed with a white-flowered plant and the offspring are all pink, this is an example of:
- Which of the following is a major cause of soil erosion?