Viruses vs. Bacteria

What is the structure of a virus?

• A cell

• DNA or RNA with a protective protein coat

• A prokaryote with a flagella

• A eukaryote with a protective protein coat

Are viruses living or nonliving?

• Living

• Nonliving

Can viruses reproduce?

• No

• Yes, always.

• Yes, but they need a host cell to do it.

Which of the following is FALSE about viruses?

• They contain genetic material.

• They require a host cell to reproduce.

• They are nonliving.

• They are made of cells.

Which of the following is true about viruses? (HINT: There are three correct answers).

• Living

• Nonliving

• Made of cells

• Contains genetic material

• Requires a host cell to reproduce

Which of the following is true about bacteria? (HINT: There are three correct answers).

• Living

• Nonliving

• Made of cells

• Contains genetic material

• Requires a host cell to reproduce

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

A virus requires a host cell for what process?

• Reproduction

• Homeostasis

• Excretion

• Nutrition

A surgeon washes her hands and puts gloves on before conducting a surgery. This is a requirement for surgeons due to the discovery of the--

• Microorganism theory

• Endosymbiotic theory

• Cell theory

• Germ theory

True or False: Only bacteria (and not viruses) can be seen under a compound light microscope.

• True

• False

Tags

NGSS.MS-LS1-1

Which of the following is a function of bacteria?

• Produce light energy used by producers in an ecosystem

• Decrease the amount of energy needed for an ecosystem

• Break down organic debris to recycle nutrients in the ecosystem

• Convert carbon dioxide into oxygen for photosynthetic organisms in the ecosystem

Tags

NGSS.MS-LS2-3