Which protein has high affinity towards oxygen?
Gaseous Exchange 2

Quiz
•
Biology
•
12th Grade
•
Medium
nur zulaikadamusa
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Insulin
Collagen
Haemoglobin
Myoglobin
Answer explanation
Haemoglobin has high affinity towards oxygen, allowing it to efficiently transport oxygen in the blood.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the percentage of oxygen saturation as PO2 increases for haemoglobin?
Remains constant
Decreases
Increases
Fluctuates
Answer explanation
As PO2 increases, the percentage of oxygen saturation for haemoglobin increases. This is due to the higher affinity of haemoglobin for oxygen at higher partial pressures of oxygen.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many oxygen molecules can one myoglobin bind with?
Three
Two
One
Four
Answer explanation
Myoglobin can bind with one oxygen molecule, making the correct answer choice 'One'.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where does myoglobin store O2?
Liver
Brain
Heart
Skeletal muscle
Answer explanation
Myoglobin stores O2 in skeletal muscle, not in the liver, brain, or heart.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
At what PO2 does myoglobin release O2?
Low
Very low
Medium
High
Answer explanation
Myoglobin releases O2 at a very low PO2, making the correct answer choice 'Very low'.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which protein exhibits cooperative binding of oxygen?
Haemoglobin
Actin
Myoglobin
Keratin
Answer explanation
Haemoglobin exhibits cooperative binding of oxygen, allowing it to efficiently transport oxygen in the blood.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What shape is the oxygen dissociation curve for myoglobin?
Linear
Exponential
Parabolic
Hyperbolic
Answer explanation
The correct shape of the oxygen dissociation curve for myoglobin is hyperbolic, not linear, exponential, or parabolic.
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