Page 12 - Biology_Coggle Mind map_AS Level

Located near nucleus

Present in centrosome (the region)

2 Centrioles
Perpendicular arrangement

Centrioles

Present ONLY in ANIMAL cells

Membrane Bound Organelle

Made of NINE TRIPLETS of microtubules

Present in cytoplasm of Eukaryotic Cells

FUSE

1 triplet

NOT present in PLANT cells Lysosomes 1 complete microtubule +

2 incomplete microtubules

Contain Digestive (hydrolytic) enzymes Arranged like a SHORT HOLLOW cylinder
CELL

STRUCTURES

Breakdown unwanted substances By AREEJ Cell division

(2020/5/12 20:54)

FUNCTIONS
Present in acrosome (head of sperm) to

digest a path to ovum Formation of CILIA and FLAGELLA

EXAMPLES
present in white blood cells to

digest bacteria Diameter = 25nm

alpha-tubulin
Made of 2 types of tubulin

beta-tubulin

Alpha & Beta Tubulins form DIMERS

DIMERS join end to end forming
Microtubules PROTOFILAMENTS

13 protofilaments = 1 microtubule

Determine cell organelle movement

Support

FUNCTIONS

Separation of chromosomes

during nuclear division