Use oxygen released from photosynthesis process;
Kavungya answered the question on June 17, 2019 at 13:37
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Explain why deficiency of vitamin K leads to excessive bleeding even from small cuts
(Solved)
Explain why deficiency of vitamin K leads to excessive bleeding even from small cuts
Date posted:
June 17, 2019
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Answers (1)
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State the factor that maintain transpiration stream
(Solved)
State the factor that maintain transpiration stream
Date posted:
June 17, 2019
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Answers (1)
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How are sieve tube elements adapted to their function
(Solved)
How are sieve tube elements adapted to their function
Date posted:
June 17, 2019
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Answers (1)
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Explain why a fresh wound on the skin bleeds more on a hot sunny day than on a cold chilly day
(Solved)
Explain why a fresh wound on the skin bleeds more on a hot sunny day than on a cold chilly day.
Date posted:
June 17, 2019
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Answers (1)
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Why is an effective respiratory system often associated with a circulatory system.
(Solved)
Why is an effective respiratory system often associated with a circulatory system.
Date posted:
June 17, 2019
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Answers (1)
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The equation below summarizes a metabolic process in plants.
Glucose----> Ethanol + carbon (IV) oxide+ Energy
State two industrial applications of the above equation.
(Solved)
The equation below summarizes a metabolic process in plants.
Glucose----> Ethanol + carbon (IV) oxide+ Energy
State two industrial applications of the above equation.
Date posted:
June 17, 2019
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Answers (1)
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Give two reasons why fats are not the main respiratory substrates in the
body of a mammal and yet they give a lot of energy when...
(Solved)
Give two reasons why fats are not the main respiratory substrates in the
body of a mammal and yet they give a lot of energy when oxidized.
Date posted:
June 17, 2019
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Answers (1)
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Explain why a rat, though small eats more frequently than an elephant
(Solved)
Explain why a rat, though small eats more frequently than an elephant
Date posted:
June 17, 2019
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Answers (1)
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Briefly explain Krebs cycle in a plant cell during anaerobic respiration
(Solved)
Briefly explain Krebs cycle in a plant cell during anaerobic respiration.
Date posted:
June 17, 2019
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Answers (1)
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One molecule of lipid gives more energy than one molecule of glucose when
respired aerobically
but it is NOT always used as a respiratory substrate
a) Give two...
(Solved)
One molecule of lipid gives more energy than one molecule of glucose when
respired aerobically
but it is NOT always used as a respiratory substrate
a) Give two reasons for this
b) Name two disaccharides which are reducing sugar
Date posted:
June 17, 2019
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Answers (1)
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Removal of the apical bud from a shrub is a practice that results in the
development of many
lateral buds which later form branches
(a) Give reasons for...
(Solved)
Removal of the apical bud from a shrub is a practice that results in the
development of many
lateral buds which later form branches
(a) Give reasons for the development of lateral branches after the removal of
the apical bud
(b) Suggest one application of this practice?
Date posted:
June 17, 2019
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Answers (1)
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A student was traveling from Nairobi to Mombasa. As the bus descended
down hill he felt an
unpleasant sensation in the ear.
(a) How did the sensation come...
(Solved)
A student was traveling from Nairobi to Mombasa. As the bus descended
down hill he felt an
unpleasant sensation in the ear.
(a) How did the sensation come about?
(b) How can the unpleasant sensation be relieved?
Date posted:
June 17, 2019
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Answers (1)
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When shoots of young plants are exposed to unidirectional light they bend towards light;
a) Name the type of response exhibited by the young shoots
b) Explain...
(Solved)
When shoots of young plants are exposed to unidirectional light they bend towards light;
a) Name the type of response exhibited by the young shoots
b) Explain the cause of the observation above
Date posted:
June 17, 2019
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Answers (1)
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State three characteristics of cells found just behind the root cap of a radicle
(Solved)
State three characteristics of cells found just behind the root cap of a radicle
Date posted:
June 17, 2019
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Answers (1)
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Name the type of responses exhibited by:-(i) Marine crabs burrowing into the sand to avoid dilution of their body fluids(ii) Chlamy domonas plant moving towards...
(Solved)
Name the type of responses exhibited by:-
(i) Marine crabs burrowing into the sand to avoid dilution of their body fluids
(ii) Chlamydomonas plant moving towards a region of high light intensity
Date posted:
June 17, 2019
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Answers (1)
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State the biological importance of ecdysis in arthropods.
(Solved)
State the biological importance of ecdysis in arthropods.
Date posted:
June 17, 2019
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Answers (1)
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The cells shown below were obtained from different parts of a young root tip:
Give the name of the zone from which each cell was obtained...
(Solved)
The cells shown below were obtained from different parts of a young root tip:
Give the name of the zone from which each cell was obtained A, B and C
Date posted:
June 17, 2019
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Answers (1)
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State the importance of moulting in insects.
(Solved)
State the importance of moulting in insects.
Date posted:
June 17, 2019
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Answers (1)
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i)Identify the nucleic acid whose base sequence is shown below:
G-A-C-U-A-G-A-C-G
ii) Give a reason for your answer in c (i) above
iii) If the nucleic acid was...
(Solved)
i)Identify the nucleic acid whose base sequence is shown below:
G-A-C-U-A-G-A-C-G
ii) Give a reason for your answer in c (i) above
iii) If the nucleic acid was involved in protein synthesis, how many amino acids would be
present in the protein synthesized? Give a reason
Date posted:
June 17, 2019
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Answers (1)
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In a certain bird species, red flight feathers is controlled by gene R while white flight feathers is
controlled by gene r. The heterozygous condition Rr...
(Solved)
In a certain bird species, red flight feathers is controlled by gene R while white flight feathers is
controlled by gene r. The heterozygous condition Rr results into pink flight feathers. The two
genes are also sex linked and transmitted on x-chromosome.
a) By use of fusion lines, find the genotypes of across between a male with pink flight
feathers and a female with white flight feathers
b) Which type of dominance is illustrated here?
Date posted:
June 17, 2019
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Answers (1)