Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download Science 10 Assignment U3L6 (20 marks)
Document related concepts
Signal transduction wikipedia , lookup
Biochemical switches in the cell cycle wikipedia , lookup
Cell encapsulation wikipedia , lookup
Extracellular matrix wikipedia , lookup
Cellular differentiation wikipedia , lookup
Programmed cell death wikipedia , lookup
Cell culture wikipedia , lookup
Cell membrane wikipedia , lookup
Endomembrane system wikipedia , lookup
Organ-on-a-chip wikipedia , lookup
Cell growth wikipedia , lookup
Transcript
Science 10 Assignment U3L6 (20 marks) 1. Define the following terms : (3 marks) a) surface area b) volume c) surface area to volume area 2. As a cell gets larger, how does its surface area to volume ratio change ? (1 mark) 3. what is the limiting factor when it comes to the size of a cell ? Explain. (2 marks) 4. As the cell grows larger and increases in volume, will it need more or less cell membrane to survive ? Explain (2 marks) 5. How does the surface area to volume ratio of a cell affect the rate of diffusion of materials across the cell’s surface ? (1 mark) 6. What determines the size and shape of cells in multicellular organisms ? (2 marks) 7. A cell have the dimensions of 2um x 2 um x 3 um. Determine the surface area, volume and surface area to volume ratio of the cell. Show all of your work (9 marks)
