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system of blood vessels in which materials are circulated round the body
blood, a ?uid medium which contains dissolved substances and cells
the heart, a pumping mechanism which keeps blood in circulation
Mohaissack answered the question on October 4, 2017 at 14:07
- Describe an experiment you would carry out in order to demonstrate that phloem transports manufactured food substances in a plant(Solved)
Describe an experiment you would carry out in order to demonstrate that phloem transports manufactured food substances in a plant
a. Ringing Experiment
b. Use the radio-tracers
c. Collecting exudate from stylets of aphids
Date posted: October 4, 2017. Answers (1)
- Explain how aquatic and terrestrial plants are adapted to deal with problems of transpiration
(Solved)
Explain how aquatic and terrestrial plants are adapted to deal with problems of transpiration
a. Mesophytes
b.Xerophytes
c.Hydrophytes
Date posted: October 4, 2017. Answers (1)
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State the importance of transpiration to plants
Date posted: October 4, 2017. Answers (1)
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Name the sites through which transpiration takes place in a plant
Date posted: October 4, 2017. Answers (1)
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Name the transport structures of a flowering plant
Date posted: October 4, 2017. Answers (1)
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State the differences between the internal structure of a root and a stem.
Date posted: October 4, 2017. Answers (1)
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(Solved)
State the similarities and differences between a dicotyledonous and monocotyledonous root
Date posted: October 4, 2017. Answers (1)
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Date posted: October 4, 2017. Answers (1)
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Explain the necessity of transport in plants and animals
Date posted: October 4, 2017. Answers (1)
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Define the term species
Date posted: October 4, 2017. Answers (1)
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How does a DNA molecule code for a protein. Describe the process completely.
Date posted: October 4, 2017. Answers (1)
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Describe the process of DNA replication
Date posted: October 4, 2017. Answers (1)
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Describe the structure of DNA.
Date posted: October 4, 2017. Answers (1)
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Name the organ that detects a change in body temperature
Date posted: September 30, 2017. Answers (1)
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What is respiration?
Date posted: September 28, 2017. Answers (1)
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Describe the economic importance of
(i) Fungi
(ii) Bacteria
Date posted: September 28, 2017. Answers (1)
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Name two causes of allergic reactions.
Date posted: September 25, 2017. Answers (1)
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Give one function of Iron as an element in human body and deficiency disease caused?
Date posted: September 25, 2017. Answers (1)
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State two functions of bile salts produced by liver.
Date posted: September 25, 2017. Answers (1)
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State two common reagents for testing for the presence of proteins in a food substance.
Date posted: September 25, 2017. Answers (1)