Unit 8- Animal Transport

Unit 8- Animal Transport

Multiple Choice

Q

• A

• B

• C

• D

X- Fish is living at low oxygen, would need a high affinity for oxygen at low pp

• Z having a higher rate of respiration would require oxygen to dissociate from Hb more easily at low pp

Multiple Choice

Q

• A

• B

• C

• D

A- Incorrect as 8 atoms/4 molecules

B- True

C- False (Increases affinity)

D- Carboxyhaemoglobin = with CO not CO₂

Multiple Choice

Q

• A

• B

• C

• D

1- True

2- True

3- False- Carbaminohaemoglobin formed between CO₂ and amine groups, haemoglobinic acid formed between H-Hb.

Multiple Choice

Q

• A

• B

• C

• D

X- is lowest pp of CO_2, from graph we can see it is highest gradient so saturated at lower ppO and picks up oxygen at low ppO_2. Less efficient at giving it away cos at low ppO₂ it holds onto that oxygen.