Download Name - Humble ISD

Name __________________________________________________________________________
Due Date __________________
Unit 2 WS
I. Complete the table by placing a check mark under the appropriate column(s).
Characteristic
Prokaryotic Cells
Eukaryotic Cells
1. Contain definite nucleus
2. Have internal membrane-bound structures
3. Reproduce
4. All are unicellular
5. Contain DNA
6. May become specialized
7. Respond to environment
II. Cell Identification - Identify which cell (A, B, or C) is a plant cell, which is an animal cell, and which is a bacterial cell.
A. ________________________________________
B. ________________________________________
C. ________________________________________
III. Structure Identification - Correctly identify and spell the indicated cell structures. No abbreviations!
IV. Identify the described structure. Indicate which cell(s) contain that structure by making an X in the correct column(s).
Cell Structure
Function
1.
Cell Gel
2.
Selectively permeable structure; maintains homeostasis
3.
Network in which proteins are modified, & transported
4.
Directs cell’s activities, location of cell’s DNA
5.
Produces proteins
6.
Produces ATP from glucose, oxygen
7.
Synthesizes lipids; detoxifies poisons, stores calcium
8.
Fine strands of DNA wrapped in protein
9.
Converts sun’s energy into useable energy
10.
Stores water, food, wastes
11.
Outermost boundary of some cells; provides structure
12.
Clean-up & recycling crew; destroys pathogens
13.
Cell Postmaster; Receives, modifies, ships biomolecules
14.
Made up of microtubules and microfilaments
15.
Double phospholipid bilayer; surrounds & protects DNA
16.
Site of ribosome production
17.
Play a role in cell division
18.
Openings in nuclear envelope; allows for passage of RNA
Found in
Bacteria?
Found in
Plant
Cells?
V. Use the following diagram of the cell membrane to fill out the table below.
A
D
B
E
C
Letter of Structure
1.
Name of Structure
Description of Structure
Non-polar, middle portion of cell membrane
2.
Embedded in cell membrane, serve as channels & pumps
3.
Polar portion of cell membrane oriented towards water
4.
Provides stability for animal cell membrane
5.
Serve as “id” tags for cell
VI. Identify each statement as describing cell membrane, cell wall, or both.
_______________________1. Firm structure that protects and gives shape to the cell.
_______________________2. Flexible, allows the cell to change its shape
_______________________3. Found in plants, bacteria, & fungi
_______________________4. Helps maintain a chemical balance within the cell
_______________________5. Composed predominantly of polysaccharides
Found in
Animal
Cells?