Ecto – parasites are parasites which live on the host; e.g. ticks, lice, mites;
Endo – parasites are parasites which live in the host tissues; e.g. plasmodium, Trypanosome, Entomoeba histolytica;
Kavungya answered the question on September 30, 2019 at 12:20
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Quantity of Urine passed per day was established in five mammals A, B, C, D and E of the same species in their natural habitats. The results are shown below.
(i) Which of the five Mammals was likely to be excreting Urine very rich in ammonia? Give a reason.
(ii) Which of the five mammals was likely to be living in a desert? Give a reason.
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Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)
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(a)...(Solved)
In an investigation, the appropriate composition of plasma, glomerula filtrate and urine in a mammal was determined. The results were as shown on the table.
(a) Account for the absence of;
(i) Plasma protein in glomerula filtrate.
(ii) Glucose and amino acids in urine.
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Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)
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Calculate the percentage of Rhesus negative...(Solved)
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Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)
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(ii) What happens to the bacteria once in the...(Solved)
The diagram shows a white blood cell.
(a) (i) Explain how the bacteria got into the cell.
(ii) What happens to the bacteria once in the cell?
(b) (i) Name an animal phylum which exhibit the process that lead to entry of bacteria in
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Date posted: September 30, 2019. Answers (1)
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(b)(i) Why would a cell allow some substances to pass through it but not others?
(ii) Other than the...(Solved)
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(ii) Other than the property of semi- permeability stated in b (i) above, state two other properties of a cell membrane
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Date posted: September 30, 2019. Answers (1)
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a mammal.
(i) Ciliated cells
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Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)