B.5.D Viruses & Cells

What do both viruses and cells contain?

• Mitochondria

• Ribosomes

• Nucleic acids (DNA or RNA)

• Nucleus

Why aren’t viruses considered living organisms?

• They contain genetic material

• They cannot reproduce on their own

• They evolve

• They cause disease

Which of the following structures are found in viruses? (Select all that apply)

• Protein coat

• Nucleus

• Genetic material

• Ribosomes

How do viruses reproduce?

• Binary fission

• Mitosis

• By infecting a host cell

• Through budding

What is the role of a virus’s protein coat?

• Makes proteins

• Provides energy

• Protects genetic material

• Stores nutrients

Which of the following is NOT found in viruses?

• Ribosomes

• DNA or RNA

• Protein coat

• Enzymes (in some cases)

Viruses spread through:

• Independent movement

• Host cell infection

• Cell division

• Mitochondrial energy

Which of the following best describes a virus?

• Living cell that reproduces on its own

• Non-living particle that requires a host

• Organelle inside bacteria

• A small prokaryotic organism

How are viruses and cells different? (Select all that apply)

• Viruses are not made of cells

• Viruses do not have cytoplasm

• Cells cannot reproduce

• Cells contain ribosomes

What must a virus do before it can cause disease?

• Grow independently

• Enter the nucleus of a cell

• Infect and take over a host cell

• Form a cell wall