Organisation Of The Body

Question 0

What are the characteristics of eukaryotic cells?

Answer 0

Extensive organelles, nucleus

Question 1

What are the characteristics of a prokaryotic cell?

Answer 1

No nucleus, no organelles, cell wall and a capsule

Question 2

What is the purpose of the plasma membrane?

Answer 2

Defines boundaries of the cell, acts as a gate keeper by controlling flow of substances in and out of the cell. Contain receptors and identifiers for cell function

Question 3

What is the function of the lysosome?

Answer 3

Recycle centre of the cell, contains enzymes that break down small molecules. Destroy unwanted proteins.

Question 4

What do the mitochondria do?

Answer 4

Synthesise ATP from glucose for energy

Question 5

What is the function of the rough endoplasmic reticulum?

Answer 5

Protein synthesis

Question 6

What is the function of the smooth endoplasmic reticulum?

Answer 6

Lipid synthesis

Question 7

What is the function of the Golgi apparatus?

Answer 7

Packaging substances into vesicles and sending them to parts of the cell or to the membrane for transport out of the cell

Question 8

What do the secretory glands do?

Answer 8

They contain product to be circulated in the body, bind to membrane and expelled by exocytosis eg insulin

Question 9

Define ‘tissue’

Answer 9

Aggregation of cells with a specialised structure or function

Question 10

Function of epithelium?

Answer 10

Covering tissue

Question 11

Function of connective tissue?

Answer 11

Support cells