Carboxylhaemoglobin is a very stable compound that does not easily dissociate, therefore reduces the capacity of hemoglobin to transport oxygen to the tissues
johnmulu answered the question on May 3, 2017 at 07:10
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The diagram below shows a vertical section through a mammalian heart.
(Solved)
The diagram below shows a vertical section through a mammalian heart.
a) Name the parts labeled A, B, E and F.
b) Give a reason why the wall of chamber C is thicker than chamber D
Date posted:
May 3, 2017
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Answers (1)
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Distinguish between natural and acquired immunity
(Solved)
Distinguish between natural and acquired immunity
Date posted:
May 3, 2017
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Answers (1)
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In what form is oxygen transported from the lungs to the tissues?
(Solved)
In what form is oxygen transported from the lungs to the tissues?
Date posted:
May 3, 2017
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Answers (1)
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a) The type of circulatory system found in members of the class insecta is
b) Name the blood vessel that transports blood from:
(Solved)
a) The type of circulatory system found in members of the class insecta is
b) Name the blood vessel that transports blood from:
i) Small intestines to the liver
ii) Lungs to the heart
Date posted:
May 3, 2017
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Answers (1)
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A person whose blood group is AB requires a blood transfusion. Name the blood groups of the donors
(Solved)
A person whose blood group is AB requires a blood transfusion. Name the blood groups of the donors
Date posted:
May 3, 2017
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Answers (1)
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Why are people with blood group O universal donors?
(Solved)
Why are people with blood group O universal donors?
Date posted:
May 3, 2017
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Answers (1)
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a) How may excessive bleeding results in death?
b) Name the process by which the human body naturally stops bleeding?
c) How can low blood volume be brought back to normal?
(Solved)
a) How may excessive bleeding results in death?
b) Name the process by which the human body naturally stops bleeding?
c) How can low blood volume be brought back to normal?
Date posted:
May 3, 2017
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Answers (1)
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Describe the path taken by carbon dioxide released from the tissue of an insect to the atmosphere.
(Solved)
Describe the path taken by carbon dioxide released from the tissue of an insect to the atmosphere.
Date posted:
May 3, 2017
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Answers (1)
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State two ways by which Acquired Immuno deficiency syndrome (AIDS) virus is transmitted.
(Solved)
State two ways by which Acquired Immuno deficiency syndrome (AIDS) virus is transmitted.
Date posted:
May 3, 2017
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Answers (1)
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The diagram below shows a transverse section of a plant organ.
(Solved)
The diagram below shows a transverse section of a plant organ.
a) Name the plant organ from which the section was obtained.
b) i) Name the class to which the plant organ was obtained.
ii) Give a reason for your answer in (b)(i) above
Date posted:
May 3, 2017
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Answers (1)
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Why are the plants able to accumulate most of their waste products for long?
(Solved)
Why are the plants able to accumulate most of their waste products for long?
Date posted:
May 3, 2017
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Answers (1)
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Below is an illustration of a cross section of a plant showing the transportation of substances in the plant
(Solved)
Below is an illustration of a cross section of a plant showing the transportation of substances in the plant
a) Name the substances transported along the paths labeled K and L.
b) Give a reason for your answer in L above.
Date posted:
May 3, 2017
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Answers (1)
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State one adaptation of xylem vessels to their function.
(Solved)
State one adaptation of xylem vessels to their function.
Date posted:
May 3, 2017
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Answers (1)
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Explain how the following contribute to the movement of water up the xylem vessels:(a) cohesion (b) adhesion
(Solved)
Explain how the following contribute to the movement of water up the xylem vessels:
(a) cohesion
(b) adhesion
Date posted:
May 3, 2017
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Answers (1)
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Why are plants able to accumulate most of their waste products for long?
(Solved)
Why are plants able to accumulate most of their waste products for long?
Date posted:
May 3, 2017
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Answers (1)
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The number of stomata on the lower and upper surfaces of two leaves from plant species X and Y were counted under the field of view of a light microscope. The results were as shown in the table below.
(Solved)
The number of stomata on the lower and upper surfaces of two leaves from plant species X and Y were counted under the field of view of a light microscope. The results were as shown in the table below.
a) Which of the two leaves would be expected to have a lower rate of transpiration?
b) Give a reason for your answer in (a) above
Date posted:
May 3, 2017
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Answers (1)
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The diagram below shows a transverse section of a plant organ.
(Solved)
The diagram below shows a transverse section of a plant organ.
a) Name the plant organ from which the section was obtained.
b) i) Name the class to which the plant organ was obtained
ii) Give a reason for your answer in (b)(i) above.
c) Name the part labeled X.
Date posted:
May 2, 2017
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Answers (1)
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The diagram below shows a section through a plant organ
(Solved)
The diagram below shows a section through a plant organ
a) i) Name the class of the plant which the section was obtained
ii) Give a reason for your answer in (a)(i) above
b) State the functions of the part labeled F.
Date posted:
May 2, 2017
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Answers (1)
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Name the tissue in plants responsible for:
a) Transport of water and mineral salts
b) Transport of carbohydrates
c) Primary growth
(Solved)
Name the tissue in plants responsible for:
a) Transport of water and mineral salts
b) Transport of carbohydrates
c) Primary growth
Date posted:
May 2, 2017
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Answers (1)
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The diagram below represents a plant tissue.
(Solved)
The diagram below represents a plant tissue.
a) Name the tissue.
b) Name the cell labeled K and L.
c) What is the function of the compound cell?
Date posted:
May 2, 2017
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Answers (1)