Cell Biology Concepts and Functions

Which statement is NOT a part of the Modern Cell Theory?

• The cell is the smallest living unit in all organisms.

• All living things are made of cells.

• All cells come from other pre-existing cells.

• Cells spontaneously generate from non-living matter.

What is a defining characteristic that distinguishes eukaryotic cells from prokaryotic cells?

• The presence of genetic material.

• The presence of cytoplasm.

• The presence of a nucleus.

• The presence of ribosomes.

What is the primary function of ribosomes within a cell?

• Providing structural support.

• Controlling what enters and exits the cell.

• Producing proteins.

• Storing genetic information.

Which of the following functions is primarily associated with the smooth endoplasmic reticulum (smooth ER)?

• Protein synthesis and transport

• Detoxification and lipid synthesis

• Packaging and sorting of molecules

• Production of ATP energy

What is a key difference between plant and animal cells regarding their organelles?

• Animal cells possess a cell wall, while plant cells do not.

• Plant cells contain chloroplasts, which are absent in animal cells.

• Both cell types have a single large central vacuole.

• Animal cells perform photosynthesis, whereas plant cells perform cellular respiration.