Exploring Prokaryotic Life Forms

What is a defining characteristic of prokaryotic cells?

• They have a nucleus.

• They lack a nucleus.

• They have membrane-bound organelles.

• They are multicellular.

Which of the following is a common shape of prokaryotic cells?

• Cuboidal

• Spherical (cocci)

• Pyramidal

• Hexagonal

What is the primary function of the cell wall in prokaryotes?

• To store genetic information

• To provide structural support and protection

• To conduct photosynthesis

• To transport nutrients

Which of the following is NOT a type of prokaryotic morphology?

• Bacilli

• Spirilla

• Cilia

• Cocci

What is the role of plasmids in prokaryotic cells?

• They are involved in protein synthesis.

• They carry additional genetic information.

• They are responsible for cell division.

• They provide energy to the cell.

Which of the following is a type of prokaryote that has evolved to survive in extreme environments?

• Cyanobacteria

• Thermophiles

• Algae

• Fungi

What is the main difference between prokaryotic and eukaryotic cells?

• Prokaryotic cells have a larger size.

• Eukaryotic cells lack a cell membrane.

• Prokaryotic cells do not have a nucleus.

• Eukaryotic cells do not have ribosomes.

Which structure is responsible for the motility of some prokaryotic cells?

• Ribosome

• Flagellum

• Nucleus

• Mitochondria

What is the function of the prokaryotic cell membrane?

• To synthesize proteins

• To control the movement of substances in and out of the cell

• To store nutrients

• To replicate DNA

Which of the following is an example of a prokaryotic organism?

• Yeast

• Bacteria

• Amoeba

• Paramecium