the basic unit of structure and function in living organism

a basic part of everything that we see

found only in animals, not plants

storage area for cells; water storage in plants

They actually do not have an important role

Diffusion is the natural movement of molecules from:

Areas of high concentration to areas of low concentration

Areas of low concentration to areas of high concentration

Which of the following describes molecules moving down a concentration gradient?

Warm air moving from a radiator to fill up a room

Sugar settling at the bottom of a water glass

A cell with lots of water in it absorbing even more water

A bottle of soda in which bubbles of carbon dioxide are evenly distributed

What causes diffusion?

The constant, random motion of molecules

Magnetic attraction between atoms

The nuclear forces that hold atoms together

The tendency of atoms to form chemical bonds with one another

Why is diffusion so important in biology?

It allows substances to move across cell membranes

It's the basic power source for most types of cells

It prevents toxins from entering our bodies

Without diffusion, cell division could not take place

What happens to the coffee particles when coffee is added to hot water?

They sink to the bottom of the cup

In what way is photosynthesis and respiration related to each other?

The products of photosynthesis are the reactants of respiration.

The reactants of photosynthesis are the reactants of respiration.

The products of photosynthesis are the products of respiration.

Which of the following shows a balanced chemical equation for cellular respiration?

C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + ATP

6CO₂ + 6H₂O + Solar Energy → C₆H₁₂O₆ + 6O₂

3CO₂ + 3H₂O + Solar Energy → 3C₆H₁₂O₆ + 3O₂

C₆H₁₂O₆ + O₂ → CO₂ + H₂O + ATP

High Surface area to volume ratio allows cells to do what quickly?

Move materials in and out of the cell

Move materials around inside the cell

This image shows how materials move into various sized cells in a given amount of time.... why does one square cell have more pink coloring than the others?

The volume of the other cells was too large for the dye to get through

The surface area was too larger to get through

There was not enough surface area for the dye to get through

The volume was too low for the dye to stay in the square

Cells Revision

Authored by Jarod Elson

Biology, Science

6th - 7th Grade

Used 2+ times

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52 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Every living organism is made up of one or more cells

True

False

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many cells do you have in your body?

hundreds

thousands

millions

trillions

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Animals cells and plant cells are exactly the same.

True

False

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Only ____________ cells have a cell wall instead of a cell membrane.

plant

animal

white blood

living

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

All plant and animal cells contain chromosomes with DNA.

True

False

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What in the cell has the instructions to tell it what type of cell it needs to be?

DNA / Genes

Cytoplasm

Cell Membrane

Mitochrondria

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A fireplace put out heat (energy) in a house. Which part of the cell is this most like?

Nucelus

Mitochondria

Cell Membrane

Rhibosome

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Cells Revision

Every living organism is made up of one or more cells

How many cells do you have in your body?

Animals cells and plant cells are exactly the same.

Only ____________ cells have a cell wall instead of a cell membrane.

All plant and animal cells contain chromosomes with DNA.

What in the cell has the instructions to tell it what type of cell it needs to be?

A fireplace put out heat (energy) in a house. Which part of the cell is this most like?

Genes are made of the molecule ______________________.

A cell is...

Which of the following are NOT found in animal cells

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