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a) A – Afferent arteriole.
N – Proximal convoluted tubule.
b). Bowman’s capsule, proximnal convoluted tubule, distal convoluted tubule.
c). Loop of Henle.
d). Antidiuretic hormone / vasopresin.
e) i). Cell lining tubule have numerous mitochondria which provide energy for reabsorption.
iii). Tubule long / highly coiled to increase surface area.
iv). Coiling of tubule reduce speed of flow of filtrate to allow more time for efficient reabsorption.
v). Tubule is well supplied with blood capillaries for efficient transport / reabsorption.
sharon kalunda answered the question on May 27, 2019 at 07:30
- The flow chart below represents a feeding relationship in an ecosystem.
a) Name two organisms which are both secondary and tertiary consumers.
b) State two short...(Solved)
The flow chart below represents a feeding relationship in an ecosystem.
a) Name two organisms which are both secondary and tertiary consumers.
b) State two short term effects of immigration of insects in the ecosystem.
c) Name the organism which has the least Biomass in the food web. Explain.
d) State the role of the following in an ecosystem:
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ii. Leguminous plants.
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Date posted: May 27, 2019. Answers (1)
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a) Name the parts labelled X and Y
X
Y
b) Describe the ovary position.
c) i) Suggest an agent of pollination...(Solved)
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a) Name the parts labelled X and Y
X
Y
b) Describe the ovary position.
c) i) Suggest an agent of pollination of the flower above.
ii. Give a reason for your answer above.
d) In the flower above its sepals cell was found to have 20 chromosomes. What would be the number of chromosomes
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Date posted: May 27, 2019. Answers (1)
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a) What is the name given to this type of a family tree?
b) In which of the grandparents is the genetically controlled defects likely to have developed and by what process.
c) Assume the genetically controlled defect was haemophilia,show the genotype of the following:
i. Grandparents
ii. The two couples
iii. The children of the couple that shoed the defect.
iv. What are the symptoms of the defect.
v. What is the remedy?
Date posted: May 27, 2019. Answers (1)
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Date posted: May 27, 2019. Answers (1)
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Date posted: May 27, 2019. Answers (1)
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Date posted: May 27, 2019. Answers (1)
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Date posted: May 27, 2019. Answers (1)
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Date posted: May 27, 2019. Answers (1)
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Date posted: May 27, 2019. Answers (1)
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Date posted: May 27, 2019. Answers (1)
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b) Euglena when it swims towards the source...(Solved)
Name the type of response shown by:
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Date posted: May 27, 2019. Answers (1)
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a) Name the parts labelled A and B
b) State...(Solved)
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a) Name the parts labelled A and B
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Date posted: May 27, 2019. Answers (1)
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_ Absence of antennae
_ Presence of a pair of chelicerae
Name the phylum and...(Solved)
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_ Four pairs of wings
_ Cephalothorax and abdomen
_ Absence of antennae
_ Presence of a pair of chelicerae
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Phylum
Class
Date posted: May 27, 2019. Answers (1)
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Date posted: May 27, 2019. Answers (1)
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Date posted: May 27, 2019. Answers (1)
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Date posted: May 27, 2019. Answers (1)
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Date posted: May 27, 2019. Answers (1)
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Date posted: May 27, 2019. Answers (1)
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Date posted: May 27, 2019. Answers (1)
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(i)What was being investigated in the experiment?
ii.Draw a diagram to indicate the expected...(Solved)
A student set up an experiment as shown in the diagram below.
(i)What was being investigated in the experiment?
ii.Draw a diagram to indicate the expected results of the experiment after three days.
iii.Why was it necessary to have wet cotton wool in the container.
Date posted: May 27, 2019. Answers (1)