Term
| What are the basic differences between prokaryotes and eukaryotes |
|
Definition
Prokaryotes (Bacteria and Archaea):
- Generally much smaller (0.3 - 2 µm) than eukaryotes (5 - 50 µm)
- Lack nuclear membrane
- No mitochondria or chloroplasts
- Can be found even in extreme environments |
|
|
Term
| What does diffusion limited mean? |
|
Definition
| Size is limited by how fast large molecules (especially proteins) can diffuse within cells w/out endomembrane system. |
|
|
Term
| Why are prokaryotic cells smaller than eukaryotes? |
|
Definition
| They lack an endomembrane system |
|
|
Term
| What's the difference between bacteria and archaea? |
|
Definition
| Bacteria contain peptidoglycan in their cell wall |
|
|
Term
|
Definition
Contain:
- Cellulose if cell wall is present
- Chloroplasts for photosynthesis
- Cillia |
|
|
Term
|
Definition
Chitin in cell walls
Two life forms
- Yeast
- Mold
Saprophytes (decomposers) |
|
|
Term
|
Definition
Endocytosis (engulf to ingest)
Can have cillia |
|
|
Term
|
Definition
No metabolism
Consist of (DNA or RNA), a protein coat, and lipid envelope in some |
|
|
Term
|
Definition
Only a couple 100 of nucleotides long
"Infectious DNA/RNA" |
|
|
Term
|
Definition
Infectious protein
Cause proteins to become misshaped and unusable |
|
|
