IB Biology: Cell Structure and Microscopy SL

All living things are made of _.

The cell _ is responsible for controlling the movement of substances in and out of the cell.

In electron microscopy, denser tissue appears _ because electrons are easily absorbed.

Prokaryotic cells have DNA located in the _ region.

Eukaryotic cells contain _ ribosomes, which are larger than those in prokaryotic cells.

Which of the following is a structure common to all cells?

• Mitochondria

• Nucleus

• Cell membrane

• Chloroplasts

What is the primary advantage of electron microscopy over light microscopy?

• It is less expensive.

• It allows for the visualization of living cells.

• It provides higher resolution images.

• It is easier to use.

Which cell structure is typically visible under a light microscope?

• Ribosomes

• Golgi apparatus

• Nucleus

• Mitochondria

What is the function of the Golgi apparatus in eukaryotic cells?

• Photosynthesis

• Protein synthesis

• Modification and packaging of proteins

• DNA replication

Which of the following is NOT a function of the cytoplasm?

• Metabolism

• Housing genetic material

• Providing a medium for biochemical reactions

• Maintaining cell shape