CORE PRACTICAL 9

Question 1

What is core practical 9? (1)

Answer 1

investigate the factors affecting the rate of aerobic or anaerobic respiration using a respirometer

Question 2

what is the first stage of this practical? (1)

Answer 2

select a suitable respiring tissue, estimate a suitable size for the chamber tube

Question 3

what is the second stage of this practical? (1)

Answer 3

weigh out the respiring tissue and add it to the empty tube

Question 4

what is the first stage of this practical? (1)

Answer 4

-half fill the metal cage with a carbon dioxide absorber, slide the metal cage into the chamber above the respiring tissue