B9 - Respiration

Question 1

What is the difference between aerobic and anaerobic respiration?

Answer 1

aer - with O2 & occurs in mitochndr.
anae - without O2 & doesn’t occur in mitochndr.

Question 2

What is the word equation for aerobic respiration?

Answer 2

gluc + oxyn -> carbn dixde + wtr

Question 3

What is the balanced symbol equation for aerobic respiration?

Answer 3

C6H12O6 + 6O2 -> 6CO2 + 6H2O

Question 4

What does respiration release?

Answer 4

energy

Question 5

In humans, what is energy needed for?

Answer 5

• muscle cntrctn.
• growth
• mntn body temp.
• build large mlcles

Question 6

What is respiration NOT?

Answer 6

breathing

Question 7

How is the place where aerobic respiration takes place adapted?

Answer 7

mitochndr - folded membrane = ↑ SA

Question 8

Why is aerobic respiration an exothermic reaction?

Answer 8

releases energy - used frm reaction insd cells & lost as heat

Question 9

Why do plants need aerobic respiration?

Answer 9

take mineral ions soil - active trnspt = amino acids

Question 10

Why do sperms cells contain lots of mitochondria?

Answer 10

release engy - move flagellum to egg &
release ezmys
- pentrate egg.

Question 11

Why does the heart rate increase during exercise?

Answer 11

• ## heart pump more O2 bld rnd body for aerobic respiration, releasing engy (movmnt, grwth & bdy temp.)