Centromere is a point of attachment between two chromatids while chiasma is a point of attachment between two bivalent chromosomes
Kavungya answered the question on April 1, 2019 at 09:18
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State two functions of oestrogen hormone in a female human being during menstrual cycle.
Date posted: April 1, 2019. Answers (1)
- Form one students set an experiment shown below to investigate a certain physiological process.
The set up was left for 30 minutes.
(a) Name the process under...(Solved)
Form one students set an experiment shown below to investigate a certain physiological process.
The set up was left for 30 minutes.
(a) Name the process under study.
(b) State the expected results.
(c) Explain your answer in (a) above.
Date posted: April 1, 2019. Answers (1)
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State two disadvantages of external fertilization in amphibians.
Date posted: April 1, 2019. Answers (1)
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Give Five examples of synthetic biology applications.
Date posted: March 28, 2019. Answers (1)
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Explain the term Synthetic biology.
Date posted: March 28, 2019. Answers (1)
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Give FOUR harmful viral diseases attacking human beings.
Date posted: March 28, 2019. Answers (1)
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Give examples of bacterial diseases in human beings.
Date posted: March 28, 2019. Answers (1)
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Name three gaseous constituents involved in gaseous exchange in plants.
Date posted: March 26, 2019. Answers (1)
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Explain how alveoli are ventilated
Date posted: March 26, 2019. Answers (1)
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Explain why water logging of the soil may lead to death in plants.
Date posted: March 26, 2019. Answers (1)
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What is the English common name for Cannabis Sativa?
Date posted: March 26, 2019. Answers (1)
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The diagram below show various types of gene mutations.
i) Identify the type of mutations shown above.
ii) Name one disorder that results from gene mutation II.
Date posted: March 25, 2019. Answers (1)
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Describe the menstrual cycle.
Date posted: March 23, 2019. Answers (1)
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Describe how various bones of the vertebral column are adapted to their functions in humans.
Date posted: March 23, 2019. Answers (1)
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What is the function of pancreas in the body?
Date posted: March 22, 2019. Answers (1)
- The diagram below shows part of plant tissue.(Solved)
The diagram below shows part of plant tissue.
(i) Name the cell labelled X and part labelled W.
(ii) State two adaptations of cell labelled X to its functions.
Date posted: March 22, 2019. Answers (1)
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Name the strengthening substance in sclerenchyma tissue.
Date posted: March 22, 2019. Answers (1)
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The diagram below illustrate two types of neurons and associated structures. Study the diagrams carefully and answer the questions that follow.
(i) Identify the type of neurons illustrated in diagrams N1 and N2.
(ii) Provide two reasons for your identity of the neuron in diagram N1.
Date posted: March 22, 2019. Answers (1)
- The diagram below represents a cell organelle.(Solved)
The diagram below represents a cell organelle.
(i) Identify the organelle.
(ii) Name the part labelled B.
(iii) State the function of the part labelled A.
Date posted: March 22, 2019. Answers (1)
- If the nerve supply to the heart of a mammal is servered, the rhythmic heart movement will still go on and the heart continues to...(Solved)
If the nerve supply to the heart of a mammal is servered, the rhythmic heart movement will still go on and the heart continues to beat. Explain this observation
Date posted: March 22, 2019. Answers (1)