Introduction to Bacteria and Viruses

Which disease is not caused by bacteria?

• Strep throat
• Pneumonia
• Food poisoning
• Influenza (the Flu)

Archaebacteria live in extreme environments

• True
• False

Bacteria help you digest food.

• True
• False

Bacteria are

• prokaryotes
• eukaryotes

How does pasteurization make food safe to eat?

• It changes dangerous chemicals in the food into safer chemicals
• It encourages the growth of important gut-bacteria
• It heats the food enough to kill all bacteria without affecting taste
• It causes milk to sour and turn into butter

Tags

NGSS.MS-PS3-5

Which statement about bacteria is true?

• Bacteria help you breath
• Bacteria help you digest your food
• Bacteria help add carbon dioxide to the atmosphere
• All bacteria need sunlight to make food

Tags

NGSS.MS-LS2-3

All bacteria are harmful to humans

• True
• False

Which of the structures is NOT found in bacteria?

• ribosome
• cell membrane
• cytoplasm
• nuclear membrane

Process by which bacteria reproduce asexually

• binary fission
• transduction
• transformation

most bacteria reproduce by

• using a cell
• binary fission