bio exam review (OSSD)

Question 1

Kidney functions

Answer 1

• Osmoregulation (regulation of water and ion balance)
• removal of waste/ toxins
• hormone production + blood pressure control

Question 2

Helicase

Answer 2

breaks hydrogen bonds between bases, unzips and unwinds the helix

Question 3

3 main functions of the nephron

Answer 3

• ultrafiltration
• reabsorption
• secretion

Question 4

The responses of the adaptive immune system are stronger and longer lasting due to the following features:

Answer 4

• memory
• specificity