Cell biology

Question 1

What are prokaryotic cells
&
What are eukaryotic cells

Answer 1

Cells without a nucleus and other membrane surrounded organelles are prokaryotic cells e.g. bacteria

Cells with a nucleus and other membrane surrounded organelles are eukaryotic cells e.g. plants and animals.

Question 2

name the methods of cell transport

Answer 2

PASSIVE TRANSPORT
FACILITATED TRANSPORT
OSMOSIS
ACTIVE TRANSPORT
DIFFUSION

Question 3

define osmosis

Answer 3

The movement of water molecules from an area of high water potential, through a selectively permeable membrane, to an area of low water potential, until equilibrium is reached.

https://lh4.googleusercontent.com/osBDeu2eBD6zqZPNT5f8f3rozYhPSHWyQYam4R1nuvSW32vxjHktrIDSg4bRX58OJ0uUZavc61HDnHxUWLFqD3zErtBNjPIvrEnHcEKVm6PrF-bSLzrPAgSYH7LyXArZ=w1280

Question 4

define diffusion

Answer 4

Diffusion is a passive (no energy required) process allows some substances to move into or out of cells

Question 5

complete https://sites.google.com/phs.org.za/life-sciences/grade-10/09-cell-biology-cell-organelles/10_09-activity-1-entry

Answer 5

see book for answers