1.2.1 - Cell Structure + Conversions

Question 1

What are all cells surrounded by?

Answer 1

• a membrane made of phospholipids and proteins

Question 2

What do eukaryotic cells contain?

Answer 2

• membrane bound organelles - enclosed areas in the cytoplasm

Question 3

What is the advantage of membrane bound organelles?

Answer 3

Potentially harmful chemicals such as enzymes are isolated.
Molecules with specific functions such as chlorophyll can be concentrated in one area.

Question 4

Why are membranes important?

Answer 4

• they provide a large surface area for the attachment of enzymes involved in metabolic processes
• they provide a transport system inside the cells