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Cell Types

Table 1-10-1: Differences between prokaryotic and eukaryotic cells


Feature

Prokaryotic (bacteria)

Eukaryotic (plant/animal/fungi)

Size

Small cells - 5µm

Large cells - 50µm

Capsule (protection)

Present

Absent

Cell wall

Present (peptidoglycan)

In fungi (chitin)
In plants (cellulose)
NOT in animals

Plasma membrane

Present

Present

Cytoplasm
- Chloroplast
- Lysosomes
- Golgi Apparatus
- Endoplasmic Reticulum
- Mitochondria
- Ribosomes


Absent
Absent
Absent
Absent
Absent
Small ribosomes, always
free in the cytoplasm


Only in plant cells
Present
Present
Present
Present
Larger ribosomes free in cytoplasm
and attached to rough ER

Nucleus
- Nuclear envelope
- Nucleoli
- Chromosomes (DNA)

Absent
\ Absent
\ Absent
Single and circular

Present
\ Present
\ Present
Many and linear

Centriole (for mitosis)

Absent

Only in animal cells