(a) Sebum
(b)- Cools the body when heat of vaporization is carried away.
-Contains antiseptic properties therefore kills micro-organisms in the skin
johnmulu answered the question on May 5, 2017 at 05:07
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The diagram below shows a section through the mammalian skin.
(a) Name the parts labeled E, F and G
(b) State two functions in each case of substance secreted by the structures labeled (i) H (ii) I.
Date posted: May 5, 2017. Answers (1)
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(Solved)
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(a) Name the
(i)structure labeled P.
(ii) Portion of the nephron between point X and Y.
(b) Name the process that takes place at point Q.
(c) Name one substance present at point R but absent at point S in healthy mammal
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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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State the importance of osmo-regulation in organisms.
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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(a) State the aim of the experiment
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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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(Solved)
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(a) Name the physiological process that was being investigated.
(b) State the role of potassium hydroxide in flask K.
Date posted: May 4, 2017. Answers (1)
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(b) Give a reason for your answer in (a) above(Solved)
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(b) Give a reason for your answer in (a) above
Date posted: May 4, 2017. Answers (1)
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(b) Name the site of anaerobic respiration in a cell. (Solved)
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Date posted: May 4, 2017. Answers (1)
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In an experiment, disinfected soaked bean seeds were put in a vacuum flask which was then fitted with a thermometer as shown in the diagram below.
The temperature reading were taken every morning for three consecutive days
(a) Which process was being investigated?
(b) Why were the seeds disinfected?
(c) Why was a vacuum flask used in the set-up?
(d) How would a control for this experiment be set?
Date posted: May 4, 2017. Answers (1)
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Date posted: May 4, 2017. Answers (1)
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