Cells, Bacteria, & Viruses

Fundamental concept of biology that states that all living things are composed of cells

• Cell Membrane

• Cell Wall

• Cell Theory

• Cell Hypothesis

Thin, flexible barrier that surrounds all cells; regulates what enters and leaves the cell

• Cell Wall

• Cell Membrane

• Nucleus

• Golgi apparatus

Specialized structure that performs important cellular functions within a cell

• Vacuole

• Ribosome

• Organelle

• Nucleus

Cell organelle that converts the chemical energy stored in food into compounds that are more convenient for the cell to use

• Chloroplast

• Mitochondria

• Golgi apparatus

• Endoplasmic reticulum

Which is true of prokaryotic and eukaryotic cells?

• Prokaryotic cells are larger than eukaryotic cells.

• Eukaryotic cells do not have nuclei, and prokaryotic cells do have nuclei.

• Prokaryotic cells lack membrane-bound organelles, and eukaryotic cells contain membrane-bound organelles.

• Eukaryotic cells are simpler than prokaryotic cells.

Proteins are produced at which cellular structures?

• nuclei
• ribosomes
• mitochondria
• chloroplasts

Prokaryotic and eukaryotic cells have many differences, but they also share some common features.  Which of the following may be found in either type of cell?

• Golgi bodies
• ribosomes
• mitochondria
• nucleus

Which of the following is NOT a type of eukaryotic cell?

• mushroom cell
• pea leaf cell
• bacterial cell found in Swiss cheese
• alligator stomach cell

A process by which bacteria reproduce asexually

• binary fission

• cellular respiration

• pasteurization

• decomposers

What does invading the host cell enable the virus to do?

• increase its size
• synthesize needed oxygen
• obtain nutrients
• reproduce