CellPwptnotes.doc

7/27/2019 CellPwptnotes.doc

1/8

Name: _______________Hr: ____

Cell Unit PacketEgg Demo

Initial observations:

Date Circumference Shape Texture

Liquid #1: _____________________

Hypothesis: (What so you think will happen and why?)

Day 2 observations:


Liquid #2: _____________________


Day 3 observations:


Liquid #3: _____________________


Final observations:


What was this experiment demonstrating?


2/8

Cell Organelles

Name oforganelle

Function (Job) Location (plantanimal or both)


3/8

Cell Theory NotesCell Dudes from Long Ago

Antonie van Leeuwenhoek lived from 1632 to 1723:His contribution to science:

Robert Hooke lived From 1635 to 1703:His contribution to science:

Robert Brown lived from 1773 to 1858:His contribution to science:

Matthais Schleiden lived from 1804 to 1881:

His contribution to science:

Schwann lived from 1810 until 1882:His contribution to science:

Rudolf Virchow lived from 1821 until 1902:His contribution to science:


4/8

Together, Schleiden, Schwann and Virchow are given most of the credit forcoming up with the ______________ ________________which states:

1.

2.

3.

1930s- Electron Microscopes

What is it?

What are the two different types?

The two different categories of cells:

__________________ = no nucleus (bacteria)

__________________ = with nucleus (animal & plant)

Cell Organelle Notes

Cell (nuclear) Membrane:

Surrounds the cell, like the ________ of the cell.

Regulates what __________ and _______________ the cell and

provided _______________ and ________________ for the cell.

The cell membrane has __________ layers.

Cytoplasm:

a thick liquid inside all cells aka __________ _____________

______________ all cell organelles.


5/8

Endoplasmic Reticulum:

The endoplasmic reticulum (______) is a series of _______ that

_____________ materials.

The ER is made up of _________ and _____________ regions.

______________

Rough Endoplasmic Reticulum:

Rough = with ________________

Transports _______________

Smooth Endoplasmic Reticulum:

Smooth = _______ ribosomes

Transports ________________

Ribosome:

Assembles small __________ parts

Located on the surface of the ______________________________

or free floating.

Golgi Bodies:

The Golgi is in charge of ________________ of chemicals.

Substances arrive there and are changed Then they are _______________ and sent other places in the cell.

Sometimes substances are ___________ ___________ of the cell.

Lysosomes:

cells' ____________ _______________ system

contain ________________ that break apart nearly all cell

molecules.

digest worn out _____________ parts

If the lysosome breaks, it can destroy the cell!

The Nucleus:

The nucleus is the _____________ for DNA and ___________ of

the cell.


6/8

The nucleus is surrounded by the ___________ _____________

(envelope)

DNA makes up ___________________________, which carry the

genetic code for a cell.

Mitochondria:

Mitochondria are the ________________ production centers of the

cell.

Mitochondria convert ______________ and ___________ into

____________________.

_____________________

Many found in muscle cells.

Vacuoles: Thevacuoleis a ______________ filled organelle that stores

amino acids, _____________, water and _______________.

Much larger in _________________.

Centrioles:

found only in _______________ cells

involved in cell _____________________

Plant cells contain additional organelles that are absent from animal cells!

Cell Wall:

The cell wall is a ________________ layer that ______________

a cell and gives it shape.

Chloroplast:

The chloroplast is a special organelle necessary to carry out

________________________.

Chloroplasts contain certain pigments that give leaves the color

they contain.

They belong to a group of organelles called _______________.

They all contain pigments and starch.


7/8

Cell Membranes & Transport

Membranes are made of 2 layers called _________________.

Draw a cell membrane here:

Cell membranes are ________________________.

It acts like a _______________ by letting some chemicals _______ &

______________ others.

It is the __________ of the cell.

The membrane stops things because of how it is built:

The ______________ of the membrane is _________________. It

___________ water.

The ______________ of the membrane is _______________. It______________ water.

These water loving and water hating parts of the membrane tend to keep

some things away from the membrane.

The membrane is _______- _________________ It has holes. Some thingsget through. This is how

Diffusion: The random movement of particles from a ____________ to a

____________________ concentration. Uses _____________ energy. A molecule will slide through themembrane only if it will fit.


8/8

Osmosis

Osmosis is the diffusion of ______________. Only the small _____________________ (the water) can get through.

Facilitated Diffusion: The molecules that are too big to get through the membrane use ________. Requires no energy!

There are different types of proteins: ______________ and ____________.

To review Simple Diffusion, Osmosis, and Facilitated Diffusion Use _____ energy (Passive Transport) Move particles from ___________ to a ________________concentration

Active Transport: A process that ______________ energy Proteins move molecules across the membrane from ______________to _______________ concentration. Except for the above two points, it is the same as facilitated diffusion.

Documents

CellPwptnotes.doc