2.4 Eukaryotic Cell Structure

Question 1

What is the role of the SER?

Answer 1

• to synthesise lipids (fats), steroids and carbohydrates

Question 2

What is the role of lysosomes?

Answer 2

• lysosomes are a type of vesicle which contains hydrolytic enzymes that break down dead organelles and pathogens that enter the cell

Question 3

What is the role of ribosomes?

Answer 3

• the site of protein synthesis

Question 4

What is the role of the cytoskeleton?

Answer 4

• move (organelles) e.g. vesicles
• move the cilia/flagella/undulipodia to help move the cell
• enable cytokinesis to take place in cell division
• support the cell by providing scaffolding and help it to maintain shape
• movement of chromosomes/chromatids/(m)RNA