Ch 4 online explore cell transport 4.7

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1 point

Osmosis is a special kind of transport that moves ____ into and out of the cell

water

everything

proteins

food

1 point

All cells have a cell membrane.

True

False

1 point

1. The cell membrane is made of:

three layers of proteins

one layer of molecules

carbohydrates

two layers of lipids

1 point

Moving with the concentration gradient means that molecules move

from low to low

from low to high

from high to high

from high to low

1 point

The main difference between passive and active transport is that active brings molecules in the cell from

low to high concentration

the outside to the inside

low to low concentration

proteins

1 point

All of the following are passive transports - going from high to low concentration - EXCEPT

the ion protein pump

diffusion

osmosis

facilitated diffusion

1 point

When the cell membrane folds in around a material and brings it into the cell it is called

endocytosis

ion pump

osmisis

diffusion

1 point

The cell membrane has what in it to help it move materials in and out?

sugars

proteins

organic matrixes

carbohydrates

1 point

There are many different ways that molecules can get into and out of the cell membrane.

True

False

10.

1 point

The main job of the cell membrane is to

let things into and out of the cell

store water and nutrients

control the cells activities

make energy

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