BIO SCI 94 Lecture Notes - Lecture 18: Multicellular Organism, Pinocytosis, Endoplasm

• School: UC-Irvine
• Department: Biological Sciences
• Course: BIO SCI 94
• Professor: Michael Clegg

Document Summary

There size, they have the highest surface area/vol. ratio of all animals. Able to use diffusion: know the definition of the following terms ad understand what they are associated with: Separates inside from outside and regulates movement in/out by diffusion. The tendency of matter to disperse in "any liquid /gas until its concentration is the same throughout. Consist of the ectoplasm and endoplasm . Often determines shape and form of creature. Lysosomes: an organelle which secretes enzymes that breakdown food particles that can be absorbed by diffusion. Is the maintenance of an optimal, constant osmotic pressure in the body of a living organsim. It pumps out excess h20 to regulate its content. Flagella/cilia : helps in locomotion, flagella long and few, cilia short and many. Pseudopodia : (false foot: a point on the surface that flows out as a projection. Conjunction : temporarily fuse in pairs, the large nucleus disintegrates in both partners & each small nucleus undergoes meiosis.