Genes, cells and populations

HideShow resource information

1. Why are cells so small?

  • Limited by surface volume area and the need to rapidly diffuse respiratory gases
  • Limited by surface volume area and the need to rapidly diffuse chemicals in and out of the cell
  • Limited by nutrients
  • Cells have an infinite life span, and small cells are easier to replace
1 of 10

Other questions in this quiz

2. Why is the nucleus compartmentalized?

  • To enable gene expression to be regulated by post transcriptional modifications
  • To enable different pH's to be established
  • To enable translation of mRNA
  • To enable gene transcription

3. What are microvilli?

  • Small finger like extensions on the surface of intestinal cells
  • Large extensions on the surface of epithelial cells
  • Small finger like extensions on the surface of epithelial cells
  • Ingrowths of the cell wall

4. How many membranes in 5ml of hepatocytes?

  • 100m2
  • A tennis court size
  • 10m2
  • 100cm2

5. What size molecules can be transported out of the nuclear pores

  • 50kDa
  • 40kDa
  • 100kDa
  • 40kDa

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all Genes resources »