Bacteria and Viruses

Which of the following is true for both bacteria and viruses?

• both contain genetic material

• can be killed using antibiotics

• have a cell membrane

• have a protein coat

Which statement is true about viruses?

• Viruses can eat and metabolize food.

• Viruses can reproduce only using a host cell.

• Viruses can reproduce on their own at any time.

• Viruses contain DNA, so they are alive.

Which of these is characteristic of both viruses and bacteria?

• They get their energy from their environment.

• They can reproduce on their own.

• They can form crystals and become dormant.

• They contain proteins and nucleic acids.

A bacterium reproduces asexually by dividing to form two new bacterial cells. What is the name of the process by which bacteria reproduce?

• meiosis

• mitosis

• budding

• binary fission

Bacteria come in which of the following shapes?

• rod, cone, spiral

• rod, sphere, spiral

• rod, sphere, cone

• sphere, cone, spiral

What do viruses need to reproduce?

• Genetic material

• A host cell

• Bacteria

• Insulin

What process is this?

• phagocytosis
• lytic cycle
• lysogenic cycle
• formation of antibodies

Which viral life cycle kills its host cell by lysing (bursting)?

• Lysogenic Cycle

• Lytic Cycle

• Binary Fission

• Conjugation

What helps prevent viral diseases?

• Vaccines
• Antibiotics
• Herbal tea
• Gene Therapy

Which of the following is a viral infection?

• cholera

• influenza

• strep throat

• tuberculosis