classification-2 - CLASSIFICATION - TAXONOMY BASIC CELL...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
CLASSIFICATION - TAXONOMY BASIC CELL TYPES 1. TWO BASIC CELL TYPES (all living cells) A. Eukaryotic (“true nucleus”) - more complex B. Prokaryotic (“pre-nucleus”) - simpler, smaller 2. COMPARISON OF CHARACTERISTICS A. EUKARYOTIC CELLS 1. Possess a true “nucleus”. a. Nuclear material surrounded by a nuclear membrane. b. Nuclear material organized into paired chromosomes. c. Nuclear membrane (DNA) associated with proteins called histones - form the chromosomes. d. Nucleus contains nucleolus - sites of ribosome synthesis. 2. Internal structure more complex - contains organelles - each have a specific function. 3. Cytoplasmic streaming - continuous movement of the cytoplasm. 4. Cell membranes contain complex lipids - sterols (cholesterol). 5. Cell walls a. Occur only on plant cells, fungi b. Composed of cellulose, chitin. 6. Division occurs by mitosis, meiosis. B. PROKARYOTIC CELLS 1. No “true” nucleus - nucleoid. a.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 10/18/2011 for the course MCB 3020 taught by Professor White during the Spring '09 term at University of Central Florida.

Page1 / 4

classification-2 - CLASSIFICATION - TAXONOMY BASIC CELL...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online