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a) Semi-7 circular canals – Body balance and posture
b)Eustachian tube - Equalize pressure between middle and outer ear
johnmulu answered the question on January 21, 2017 at 12:19
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Explain why unicellular organisms such as paramecium lack complex organs for gaseous exchange.
Date posted: January 21, 2017. Answers (1)
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Where are lysosomes synthesized?
Date posted: January 21, 2017. Answers (1)
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Name the organelle where Kreb’s/Citric cycle take place in a cell.
Date posted: January 21, 2017. Answers (1)
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What are fossils?
Date posted: January 18, 2017. Answers (1)
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A woman has a rare abnormality of the eyelids, called ptosis, which makes it impossible for her to open her eyes completely. The conditions has been found to be due to a single dominant gene (T). The woman's father had ptosis, but her mother had normal eyelids. Her father's mother had normal eyelids
a) What are the probable genotypes of
i) The woman
ii) Her father
iii) Her mother
Date posted: January 18, 2017. Answers (1)
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A person of blood group O requires blood transfusion. Name the blood group(s) that would - be donor(s)
Date posted: January 18, 2017. Answers (1)
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Name the process, in nature, which
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b) Releases carbon (IV) oxide into the atmosphere
Date posted: January 18, 2017. Answers (1)
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What is meant by sex-linked genes?
Date posted: January 18, 2017. Answers (1)
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State two important functions of the spinal cord.
Date posted: January 18, 2017. Answers (1)
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A rhinoceros in a national park was found to be infected with ticks. Name the trophic level occupied by the
a) rhinoceros
b) ticks
Date posted: January 18, 2017. Answers (1)
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What name is given to the position an organism occupies and the role it plays in an ecosystem?
Date posted: January 18, 2017. Answers (1)
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What protects the following parts of maize seedling during germination
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b) Embryonic root
Date posted: January 18, 2017. Answers (1)
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State two features of the placenta which speeds up the exchange of materials between the mother and foetus.
Date posted: January 18, 2017. Answers (1)
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Where in human body are relay neurons found?
Date posted: January 18, 2017. Answers (1)
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Name the source of progesterone
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Date posted: January 18, 2017. Answers (1)
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Distinguish between deoxyribonucleic acid and ribonucleic acid in man in these aspects
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b) Function
c) Location in the cell
Date posted: January 18, 2017. Answers (1)
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Give the difference between population and a community.
Date posted: January 18, 2017. Answers (1)
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Explain why a maize plant does not undergo secondary growth.
Date posted: January 18, 2017. Answers (1)
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Name the compound that stores the energy that is released during the oxidation of glucose.
Date posted: January 18, 2017. Answers (1)
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In man, the male is referred to as the heterogametic sex. Explain
Date posted: January 18, 2017. Answers (1)