Cell Structure and Function Name

Cell Structure and FunctionName:

Chapter 7

Biology 5.0Date: Period:

Activating Prior Knowledge:

Identify the class of lipids that forms biological membranes (cell membrane)?

Draw what it looks like?

3. Identify the monomers of lipids:

4. Explain what it means to be a polar molecule.

5. Distinguish between the terms hydrophilic and hydrophobic.

6. Identify the eight characteristics of living things?

Section 7.1 – Life is Cellular

The following scientists made important contributions to the cell theory

Scientist / Contribution to the Cell Theory
Anton van Leeuwenhoek
Robert Hooke
Robert Brown
Mathias Schleiden
Theodor Schwann
6. Rudolf Virchow

The three parts of the Cell Theory:

______
______
______

Prokaryote cell / Eukaryotic cells
Definition
Description / pro = ______
karyon = ______
contain cell membranes and cytoplasm but no ______
______is scattered through ______
examples: / eu = ______
karyon = ______
contain a ______that holds ______
membrane bound ______that have specific ______
examples:
Differences

Section 7.2 – Cell Structure

What is an Organelle?

ORGANELLES

Organelle
Illustration / Organelle / Organelle Description & Function
/ Cytoplasm / Found: between the ______and the ______
Structure:
Function:
/ Nucleus / Found: in the cytoplasm near ______
Structure:filled with ______
Function:
Prokaryotic cells lack a nucleus, but they do contain DNA
/ Chromatin / a complex of ______
Chromosomes / Chromatin ______and become densely ______
Chromosomes are visible under a microscope when a cell divides
/ Nucleolus / small dense region within the ______where ______are synthesized
Nuclear Envelope / ______membrane (______) that surrounds the ______-allows materials to move out of the nucleus
Nuclear Pore
/ Vacuole / Found:
Structure:

Plant cells, there is a single large central vacuolefilled with fluid - can occupy up to 90% of the cell’s volume
Animal cells – much smaller

Function:
Organelle
Illustration / Organelle / Organelle Description & Function
/ Lysosome / Found: In the ______
Structure: ______
Function: Breakdown large ______molecules, and old ______organelles

Removes “junk” that would clutter the cell
Known as the “______”
Found in ______cells and specialized ______cells
Some humans have diseases that result from lysosomes that fail to function properly.

/ Cytoskeleton / Found:
Structure:
Function: Gives cells ______; helps to maintain ______; involved in cell ______
Microfilaments /

Thin threads made of ______(structural protein)
______the cell
Contribute to ______

Microtubules / Larger strands; hollow tubes made of ______
Maintain cell ______
Important in ______– forms the mitotic spindlewhich helps to separate chromosomes
Form ______in animal cells
Help build______and ______
/ Centrioles / Found:Within the ______only in ______cells
Structure:Made of a ______(tubulin)
Function:Used to organize ______(mitosis)
/ Cilia
/ Flagella
Organelle
Illustration / Organelle / Organelle Description & Function
/ Ribosomes / Found:
Structure:
Function: Produce ______by following coded instructions that come from ______

Made of ______and ______in the ______& transported to the ______

/ Endoplasmic
Reticulum / Found: just outside the ______
Structure: system of membranous tubules & sacs
Function: Moves molecules from one part of the cell to another

______Highway

Rough ER: / Smooth ER
/ Golgi
Apparatus / Found: in the ______
Structure:
Function:

Works with the ER
Modifies proteins for export

/ Mitochondria / Found: in the ______
Function: Convert ______stored in ______into compounds that the cell can use

“______” the cell
Most numerous in cells with ______
liver & muscle

/ Chloroplast / Found: Only in the cytoplasm of ______cells
Structure: Stack of membranes that contain ______(chlorophyll)
Function:

Surrounded by two membranes and contain DNA
Contains the green pigment ______

/ Cell Wall / Found:
Structure:
Function:

Found only in ______cells

/ Cell
Membrane / Found: Located around the perimeter of the cell
Structure:
Function:

______permeable

Fluid Mosaic Model:

Phospholipid
Integral
Protein
Peripheral
Protein

PLANT Cell Diagram - Use the following organelles to label the PLANTcell below:

Cell Membrane

Cell Wall

Chloroplast

Cytoplasm

Golgi Apparatus

Mitochondria

Nuclear Envelope

Nucleolus

Nucleus

Plastid

Ribosome

Rough ER

Smooth ER

Vacuole

ANIMAL Cell Diagram - Use the following organelles to label the ANIMAL cell below:

Cell Membrane

Centriole