Scientific Inquiry	Cell Structures Explained	Cell Structures Define	Cell Structures Draw	Osmosis and Diffusion
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Final Question

What is a control?

What is a control?

Something you compare to in an experiment. It does not change!

What is a qualitative variable?

It uses your senses. It describes something.

What is a quantitative variable?

It is when you describe something with numbers.

I walked into a house and it smelled like somebody burned a bag of popcorn. What did I infer?

That the smell was from popcorn?

I walked into a house and it smelled like somebody burned a bag of popcorn. What is a quantitative and qualitative observation that I made?

quantitative: it was only 1 bag of popcorn; qualitative: it smelled like popcorn

What is the function of the nucleus? 2 things

controls all cells functions, stores DNA

What is the function of the mitochondria?

Creates energy for the cell

What is the function of the vacuole?

Stores food and water

What is the function of the cytoplasm?

gel like fluid that all the materials are suspended in

What is the function of the endoplasmic reticulum?

the roads/passageways in which materials are shipped throughout the cell

which organelle is responsible for producing proteins?

Ribosomes

In plant cells, which organelle uses sunlight to produce food?

chloroplasts

What is the barrier found in all cells that protects them and regulates what enters and exits the cell?

cell membrane

What is the barrier found in plant cells that provides plants with the ability to stand up?

cell wall

What are the 3 main differences between a plant cell and an animal cell?

plant cells have a cell wall, a large water vacuole, and chloroplasts

Draw a cell with a nucleus

Use your textbook page 90

Draw a cell with a golgi body

Use your textbook page 90

Draw a cell with an endoplasmic reticulum

Use your textbook page 90

Draw a cell with ribosomes

Use your textbook page 90

Draw a cell with mitochondria

Use your textbook page 90

Explain selectively permeable

some things can pass through but others cannot

Define diffusion in 4 words

High to low concentration

Compare osmosis and diffusion

Osmosis is diffusion but only with water

Why does cold water diffuse more slowly than hot water?

Hot water= molecules move faster; cold water= molecules move slower

Compare active and passive transport

active requires energy, passive does not

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What Would You Like To Risk?

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Go To The Final Question

Final Score: Scoreboard

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