Cells Flashcards
(12 cards)
1
Q
Golgi Bodies
A
- Stacks of flattene membranous sacs
- Protein Processing
- Materials packaging and export
2
Q
Cell Wall
A
- Cellulose fibrils, pectin, hemicelluloses
- Resistance to osmotic stress
- Structural support and protection
3
Q
Cell (Plasma) Membrane
A
- Lipid Bilayer
- Regulates passage of material into and out of cell
- Receives chemical signals from the environment
4
Q
Ribosomes
A
Protein & RNA
Protein Synthesis - Translation
5
Q
Plasmodesmata
A
- Tubular connections between cytoplasm
- Communication between cells
6
Q
Endoplasmic Reticulum (ER)
A
- Network of membrane sheets and tubes
- Protein modification and transport
7
Q
Motor Proteins
A
- Myosin, Kinesin, Dynein
- Movement of cells and structures within cells
8
Q
Nucleus
A
- Nuclear membrane envelope w/ pores
- Holds DNA
- Cell’s control center
9
Q
Chloroplasts
A
- Double membrane envelope
- Photosynthesis
10
Q
Cytoskeleton
A
- Micro-filaments and micro-tubules
- Cell support and shape
- Movement of cells and structures within cells
11
Q
Central Vacuole
A
- Membrane bound, water filled sac
- Water, ion, and pigment storage
- Supports cell by turgor pressure
12
Q
Mitochondria
A
- Double Membrane Envelope
- Inner membrane folded into cristae
- Chemical energy transfer