1. Organelles and Cell Parts

2. 1. Cell Wall A) function: physical protection
B) Structure: wall surrounding cell
Has holes like windows in wall
C) Macromol. = cellulose

3. Cell Wall with pores

4. 2. Cell Membrane Phospholipids Proteins
A) function: controls what enters and leaves cell
B) Structure: flexible lining just inside cell wall
C) Macromol.
Phospholipids
Proteins

5. 3. Nucleus A) function: stores DNA & directs cell
B) Structure: round shape
1) nuclear envelope = double membrane surrounding nucleus
2) nuclear pores = openings in nuclear envelope
3) Chromosomes = segments of DNA
4) Nucleolus = area where ribosomal RNA is made
C) Macromol. = phospholipids, proteins, nucleic acid

6. 4. Cytoplasm
A) function: all functions between nucleus and cell membrane
B) Structure:
1) all organelles btwn cell membrane and nucleus
2) hyaloplasm = fluid that fills cell
C) Macromol. = all

7. 5. Ribosomes A) function: make proteins B) Structure: 2 subunits
1 protien subunit
1 RNA subunit
C) Macromol. = protein, nucleic acid
Only organelle w/o membrane

8. 5. Ribosomes A) function: make proteins B) Structure: 2 subunits
1 protien subunit
1 RNA subunit
C) Macromol. = protein, nucleic acid
Only organelle w/o membrane

9. 6. Vacuole A) functions stores water and minerals
Structural support in plant cells
B) Structure = single membrane filled with water and moleucles
(food vacuoles have food inside)
C) Macromolecules
Phospholipids
proteins

10. 7. Lysosome A) Function – digest macromol/ food Hydrolysis rxns
B) Structure – single membrane full of digestive enzymes
C) Macromol
Phospholipids
proteins

11. 8. Rough Endoplasmic Reticulum
A) Function – fold, package, deliver proteins
B) Structure – tubes of membrane containing enzymes
C) Macromol
Phospholipids
Proteins

12. 9. Smooth E.R. A) Function – transport mol./ detoxify
B) Structure – membrane tubes with LOTS of enzymes
C) Macromol
Phospholipids
Proteins

13. 10. Golgi Body A) Function – add carbs/lipids to proteins
Construct complex carbs
B) Structure – flat packets of membrane
Lots of enzymes
C) Macromol
Phospholipids
proteins

14. 11. Mitochondrion A) Function – Cellular Respiration
Uses O2 to burn glucose
Gives energy to the cell
Glucose + O2  CO2 + H2O
B) Structure –
oval/bean shaped outer membrane
Inner membrane with folds (cristae)
C) Macromol
Phospholipids & proteins

16. 12. Chloroplast A) Function – Photosynthesis
Converts solar E into chemical E
CO2 + H2O  Glucose + O2
B) Structure –
oval/bean shaped outer membrane
Stacks of hollow discs formed of membrane = grana
C) Macromol
Phospholipids & proteins