1. human eye, no microscope
light microscopes
hummingbirds
humans
frog eggs
1 mm
1 cm
0.1 m
1 m
10 m
100 m
redwoods
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2. most animal cells and plant cells mitochondria, chloroplasts
light microscopes
electron microscopes
lipids
bacteriophages
most animal cells and plant cells
mitochondria, chloroplasts
small
molecules
most bacteria
proteins
0.1 nm
1 nm
10 nm
100 nm
1 µm
10 µm
100 µm
1 mm

3. Impacts, Issues
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4. In-text Figure Page 51
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Rickettsia prowazekii

5. Bacterial cell (prokaryotic)
DNA
cytoplasm
plasma
membrane

6. Animal cell (eukaryotic)
DNA in
nucleus
cytoplasm
plasma
membrane

7. Plant cell (eukaryotic)
DNA in
nucleus
cytoplasm
plasma membrane

8. Cytoskeleton

9. 0.5
1.0
1.5
0.79
0.06
3.14
7.07
0.52
1.77
Diameter (cm):
Surface area (cm2):
Volume (cm3):
Surface- to-volume
ratio:
13.17:1
6.04:1
3.99:1

10. Cells are Factories

11. Nucleus: Cytoskeleton: nuclear envelope nucleolus DNA in nucleoplasm
microtubules
microfilaments
intermediate
filaments
rough ER
mitochondrion
centrioles
smooth ER
Golgi body
plasma membrane
lysosome

12. lipid bilayer
fluid
one layer
of lipids

13. Fluid Mosaic Model

14. adhesion
protein
communication
protein

15. receptor protein
recognition protein
passive
transporter
active
transporters

16. Transport Proteins

17. Nucleus

18. DNA
infolding of
plasma membrane

20. Figure 3.9a-c Page 46 pore chromatin nucleolus nuclear envelope
(two lipid
bilayers)
cytoplasm
ribosome
vesicle
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21. smooth ER channel, cross-section
budding vesicle
plasma membrane

22. Golgi and ER

23. repeated foldings
of inner membrane
(cristae)
outer
compartment
inner
compartment
outer membrane
inner membrane

24. Figure 3.10(2) Page 48
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25. Nucleus: Cytoskeleton: cell wall chloroplast central vacuole
nuclear envelope
Cytoskeleton:
nucleolus
DNA in nucleoplasm
microtubules
microfilaments
rough ER
mitochondrion
plasmodesma
smooth ER
Golgi body
plasma membrane
lysosome-like vesicle

26. two outer
membranes
stroma
thylakoids