Monday, November 28, 2011

The Gate Keeper 11.28.22

What structure allows only certain things to pass in and out of a cell?

How is this structure different between plant and animal cells ?


Something to think about 
           Why are one celled organism so small? Why don't we ever see elephant sized single cell organisms?

50 comments:

Nate B. said...

Cell Membrane

molly m said...

A cell membrane.
They are different shapes.

alexander p said...

a cell membrane well plant cells have a cell wall over them but a animal cell has no cell wall over it.

Aleha C :D said...

the cell membrane,
the different kinds,animal and plant.......

Brian B said...

The cell membrane and they are different shapes depending on the cell.

Kyle M1 said...

cell membrane

plant=square
animal=rounded

andrew b said...

plant cells are square and animal cells are rounded

emily w said...

The cells membrane

There are different shapes.

Dillon M said...

A cell membrane well plant cells have a cell wall over them but a animal cell has no cell wall over it.

Sabrina D:) said...

cell membrane

plant is like a cube or a square

animals is more circle

Maddie Corbett said...

cell membranes are different sizes. but depending on the cell.

ThatDavidDude said...

The membrane and they are different cause animal cells are circular and plant are square.

Gail L(: said...

A cell membrane does. The cells are differn't shapes.

tyla g said...

The cell membrane, the difference between animal and plant cells is the plant cell is much more complicated because it has much more stuff in it.

Daleandnessarepurple said...

Cell Membrane. They have different shapes. Plant is a cube, Animal is a circle

Grace B (-; said...

1) cell membrane
2) The shapes are different.

Aaron R said...

the golgi bodies
the plant cell has a cell wall and cloroplast.

mattc said...

the cell membrane they are different shapes and have different insides

Liz N. :) said...

The cell membrane
They are different shapes.

Jar3d C :P said...

Because plants like trees need stronger outsides, so the cell walls are thicker than animal ones.

Will P said...

1. The membrane.
2. Plant is square and animal is circle.
3. One cell isn't enough to support a huge body.

Holly J said...

The cell membrane. The difference it that the shape. An animal cell is a circle. A plant cell is more square.

Gracie N(: said...

1. Cell Membrane.

2. They are different shapes.

Bearor , Katie :) :) :) :) :) :) :) :) :) :) :) Yay!!!!!!!! Happy times!!! said...

The cell membrane, the plant cell has a cell wall and the animal cell does not.

Sarah M said...

cell membrane they are different shapes animal cells are circle and plant cells are a rectangle.

Ian C. said...

The structure that allows certain things to pass through is the Cell Membrane, this structure changes between plant cells and animal cells because of the shape, and that in animal membranes, some of the organelles extend into it.

Archer t said...

1. le 'Cell Membrane'
2. Plant membrane has a proper membrane and a cellulose wall, but animals only have a flimsy cell membrane.

Sara H said...

The part of the cell that allows certain things to pass in and out of the cell is the cell membrane.

They are different because the plant cell is a square or rectangular shape and the animal is a circular shape.

Lucas T said...

the cell membrane and cells cant be big because then our body would have to adjust to our giant cells.

Connor P said...

Cell membrane

Ronahn said...

Cell Membrane. Plant cells are more cubed, animals cells are shpereical.

Single celled organisms likely cannot grow big because bigger and more active cells need more energies to survive. The single celled organism cannot get enough energy without the help or materials to grow big enough. In a multi-celled organism, cells trade resources and help each other grow.

Mason B said...

The cell membrane controls what enters and exits a cell. The outside of an animal cell is the cell membrane, but in plant cells the cell membrane is surrounded by a secondary barrier, the cell wall.

Kasey G. said...

The cell membrane is the structure the only allows certain things to pass through. Plant cell membranes are rectangular while animal cell membranes are round.

Nick M. said...

The cell membrane is the structure that allows certain things in, and certain things out. It's different between plant cells and animal cells because certain organelles can extend into the cell membrane of an animal cell.

Isaiahp said...

1. Cell membrane
2. the plant has a cell wall, animal cells only have a cell membrane.

joshua t :] said...

idk

Rea,Cheyenne(: said...

1. Cell membrane
2. the plant has a cell wall, animal cells only have a cell membrane.

Lauryn F said...

1.cell membrane

caelin w said...

the thing that lets the stuff goes through the cell membrane animals don't have cell walls

Anonymous said...

The cell membrane allows only certain things to pass in and out of the cell.

Christopher N. said...

Membrane
Plants Cells Have A Cell Wall Animal Cells Have A Cell Membrane

Sammy P said...

1. The Cell Membrane.
2. Eukaryotic and prokaryotic have different membranes that are made of different Organelle.

Traciee:) T said...

The cell membrane.

Plant cells have a cell wall animal cells have a cell membrane.

jarred s said...

The cell membrane is the structure that allows certain things in, and certain things out. It's different between plant cells and animal cells because certain organelles can extend into the cell membrane of an animal cell.

kaylee m. said...

cell membrane

they shaped differently

emile w said...

the cell membrane is the organelle that controls what goes in and out of the cell.

Dominique F. said...

Cell Membrane
They are different shapes.

Alexis F. said...

cell membrane

Jasmine M. said...

cell membrane
they're different shapes and they have different types of cells in them

SammyG said...

the cell membrane, it is different in a lant cell because it will also have a cell wall.