Bacteria

What is structure 2?

• nucleus
• pilli
• mitochondria
• cell membrane

Tags

NGSS.MS-LS1-2

A whip-like tail(s) on some bacteria that help them move

• Nucleus
• Pili
• Flagellum
• Cilia

Which statement about bacteria is true?

• All bacteria are prokaryotes
• All bacteria are eukaryotes
• All bacteria are autotrophs
• All bacteria are heterotrophs

Bacteria come in all of the following shapes EXCEPT which?

• spiral
• rod-like
• rectangular
• spherical

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

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

In binary fission, all of the following occur

EXCEPT...

• there is an increase in the number of bacterial cells

• the bacteria cell invades a host cell

• the resulting cells are genetically identical to the original cell

• only one parent cell was involved at the beginning

Tags

NGSS.MS-LS3-2

Positive benefits of bacteria include which of the following

• produce oxygen
• all of these
• assist in food production
• decompose materials and help clean up the environment

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-5

Antibiotics generally work by doing this...

• surrounding the bacteria
• destroying the ribosomes in the bacteria
• filling the bacterial cell until it bursts
• breaking open the cell wall of the bacteria

Which of the following illnesses or diseases are NOT caused by bacteria?

• Lyme Disease
• AIDS
• botulism (food poisoning)
• Anthrax