(a) To drive out or expel oxygen
(b) To avoid killing yeast cells or denaturing enzymes in yeast.
(c) To prevent air (especially oxygen) from getting into the glucose and yeast suspension
(d) Lime water forms a white precipitate, bubbles are formed
(e) Used boiled yeast on glucose
johnmulu answered the question on May 4, 2017 at 08:04
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The diagram below represents some gaseous exchange structures in humans.
(a) Name the structure labeled K, L and M.
(b) Name the process by which inhaled air moves from the structure labeled L into blood capillaries
(c) Give the scientific name of the organism that causes tuberculosis in humans
Date posted: May 4, 2017. Answers (1)
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(b) What is the effect of contraction of the diaphragm muscles during breathing in mammals?
Date posted: May 4, 2017. Answers (1)
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The diagram below illustrates a blood capillary surrounding a structure for gaseous exchange in human beings
(a) Name the gases exchange structure.
(b) Identify the gases labelled Y and Z.
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Date posted: May 4, 2017. Answers (1)
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(c) How is the part labeled S structurally adapted tom its function?
Date posted: May 4, 2017. Answers (1)
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The diagram below represents a model used to demonstrate breathing in mammals.
(a) Name the mammalian structure represented by the parts labeled D and E.
(i) D (ii) E
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(c) Explain the observation in (b) above
Date posted: May 4, 2017. Answers (1)
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Date posted: May 4, 2017. Answers (1)
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Date posted: May 4, 2017. Answers (1)
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Date posted: May 4, 2017. Answers (1)
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Date posted: May 4, 2017. Answers (1)
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(b) How is the surface named in (a) above suited to its function.
Date posted: May 4, 2017. Answers (1)
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(Solved)
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Date posted: May 4, 2017. Answers (1)
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(Solved)
The diagram below represents some gaseous exchange structures in humans
a) Name the structures labeled K, L and M.
b) Name the process by which inhaled air moves from the structure labeled L into blood capillaries
c) Give the scientific name of the organism that causes tuberculosis in humans
Date posted: May 3, 2017. Answers (1)
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b) What is the effect of contraction of the diaphragm muscles during breathing in mammals?
Date posted: May 3, 2017. Answers (1)
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Date posted: May 3, 2017. Answers (1)
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b) How does the part labeled Z facilitate breathing in?
Date posted: May 3, 2017. Answers (1)
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The diagram below shows gaseous exchange tissues
(a) Name the gas that diffuses:
(i) To the body cells
(ii) From the body cells
b) Which compound dissociate to release the gas named (a) (i) above
c) Name the blood vessel with the highest concentration of:
i) Glucose
ii) Carbon (IV) oxide
Date posted: May 3, 2017. Answers (1)