Cells and Microbes

What type of cell is A?

• Plant cell

• Animal cell

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Which of the following is too small to be seen without a microscope?

• A fingernail

• A strand of hair

• An eyelash

• animal cells

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antibiotics are only good for what?

• viruses

• parasites

• fungus

• bacterial infections

True or false: most of the microorganisms found in a stream of water is harmless to humans.

• True

• False

Where is the nucleus located in a cell?

• In the center of the cell. It controls the cells growth

• Underneath the cell wall. It allows water and nutrients to pass into the cell and waste to pass out of the cell.

• Surrounding the cell. It helps protect the cell

• All throughout the cell. It is a jelly-like substance that holds all of the organelles in their place.

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NGSS.MS-LS1-2

True or False: Cells are transparent and need to be stained in order to be viewed through a microscope.

• True

• False

If algae has covered the surface of a lake or pond, how does that affect the plants growing under the water?

• It provides extra nutrients to the plants and helps them grow.

• It makes the fish want to eat the algae instead of the plants, allowing them to grow.

• It blocks off sunlight from the plants and hurts their growth.

• It heats up the water, causing the plants to die.

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If a cell were to be compared to a factory, what would be represented by the nucleus?

• The doors because they control what enters and exits the factory.

• The cafeteria, because it provides food and energy to the workers of the factory

• the walls of the factory because they support the building

• The boss, because he controls the factory

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NGSS.MS-LS1-2

E. Coli is a type of bacteria that is what?

• Helpful, it helps with digestion

• Harmful, it can cause food poisoning

• Both Helpful and harmful

Which of the following is TRUE about cytoplasm?

• It is only found in plant cells

• It helps dissolve cellular waste

• It provides energy to the cell

• It regulates what can and can not enter the cell

Tags

NGSS.MS-LS1-2