Plant Cells - ORGANELLES

Question 1

Organelles (SHARED WITH ANIMAL CELLS)

Answer 1

Nucleolus, Chromatin, Nuclear Envelope, Plasma Membrane, Mitochondria (outer, inner + matrix), cytoplasm, Ribosomes, RER, S-E-R, Golgi apparatus, Vesicle, Lysosome.

Question 2

Chloroplast

Answer 2

. Double membrane
. Phospholipids bilayer

Question 3

Internal Membrane (Chloroplast)

Answer 3

. Contains Chlorophyl
. Sight of light dependent reactions.

Question 4

Lamellae (chloroplast)

Answer 4

. Increases efficiency

Question 5

Stroma (chloroplast)

Answer 5

. Contains enzymes for light dependent reactions
. Contains own DNA + 70 Ribosomes

Question 6

Cell wall

Answer 6

. Middle Lamella
. Primary Cell wall
. Cellulose Fibres
< Made of Cellulose

Question 7

Vacuole (Permanent)

Answer 7

. Cell Sap (Water, Chemicals, minerals.
. Maintain water potential (conc)
. Stores sugar ions
. Takes up 30-80% of cell vol

Question 8

Tonoplast (Vacuole)

Answer 8

. Membrane bound
. Allows transport of ions against gradient.

Question 9

Amyoplast

Answer 9

. Double Membrane
. Starch Grain
. Roots and Storage

Question 10

Plasmodesmata/ Pits

Answer 10

. Microscopic channel between cell walls
. Allows for communication.