Temperature is one of the factors that affect the rate of diffusion. An increase in temperature increases the kinetic energy of molecules hence increasing the rate of diffusion as molecules will move faster from one point to another. A decrease in temperature decreases the rate of diffusion.
prince the mathematics expert answered the question on January 11, 2020 at 18:53
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Explain role of sebaceous glands found in a skin
(Solved)
The question is from the topic of excretion and homeostasis; subtopic excretion
Date posted:
January 11, 2020
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Answers (1)
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Describe the role of the liver in the process of thermal regulation.
(Solved)
The question is from the topic of excretion and homeostasis, subtopic; thermal regulation.
Date posted:
January 11, 2020
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Answers (1)
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Describe the process of photolysis of water
(Solved)
Describe the process of photolysis of water.
The question is from the topic of nutrition in plants and animals; subtopic photosynthesis in plants.
Date posted:
January 11, 2020
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Answers (1)
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Can a leaf be tested directly for the presence of starch?
(Solved)
Can a leaf be tested directly for the presence of starch?
Date posted:
January 11, 2020
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Answers (1)
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Name the two bile salts produced by the liver.
(Solved)
This question is from the topic of nutrition in form one. It's from the subtopic; digestion in animals
Date posted:
January 11, 2020
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Answers (1)
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Differentiate between discontinuous and continuous variations as witnessed in human beings
(Solved)
The question requires the student to tell the difference in genetic variations observed in humans.
Date posted:
December 27, 2019
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Answers (1)
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Distinguish between haemolysis and plasmolysis
(Solved)
You are required to give a differences between haemolysis and plasmolysis which occurs within the cells of living organisms
Date posted:
December 26, 2019
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Answers (1)
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Explain why transcription and translation occurs simultaneously in prokaryotic cells
(Solved)
Explain why transcription and translation occurs simultaneously in prokaryotic cells
Date posted:
November 13, 2019
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Answers (1)
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i) In fruit flies, the gene for red eyes (R) is dominant over the gene for white eyes (r). If a true breeding red eyed...
(Solved)
i) In fruit flies, the gene for red eyes (R) is dominant over the gene for white eyes (r). If a true breeding red eyed female is mated with a true breeding white eyed male, all the offspring are red eyed. However, if a true breeding white eye female is mated with a red eyed male, all the female offspring will be red eyed and the male offspring will be white eyed. Explain this apparent contradiction using genetic crosses.
ii) Work out the ratio of the expected phenotypes of a red eyed female offspring from
the above crosses and a red eyed male.
Date posted:
November 13, 2019
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Answers (1)
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Name four strengthening tissues in woody stems.
(Solved)
Name four strengthening tissues in woody stems.
Date posted:
November 13, 2019
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Answers (1)
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Below is a diagram showing the fore arm bones and muscles covering them.
(Solved)
Below is a diagram showing the fore arm bones and muscles covering them.
a) Name the bones represented by; T X Y Z
b) Name the joints formed between;
i) T and X
ii) Y and X
c) Name the muscles labeled P and R.
d) What happens to each muscle as the arm is straightened.
P...................
R..................
Date posted:
November 13, 2019
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Answers (1)
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A solution of sugar cane was boiled with a small amount of dilute hydrochloric acid and allowed to cool. Sodium hydrogen carbonate solution was added...
(Solved)
A solution of sugar cane was boiled with a small amount of dilute hydrochloric acid and allowed to cool. Sodium hydrogen carbonate solution was added drop by drop until the fizzing stopped. A few drops of benedicts solution were added to the mixture and boiled. An orange precipitate formed at the end of the experiment.
a) What was the role of the following in the experiment;
i) Dilute hydrochloric acid.
ii) Sodium hydrogen carbonate.
b) What conclusion can be drawn from the above experiment?
c) Where was the food substance identified in the experiment produced?
d) Name the substance found in human digestive system that performs the same function as Hydrochloric acid.
e) State two properties of the substance identified in (b) above.
Date posted:
November 13, 2019
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Answers (1)
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Below is a diagram of an organism
(Solved)
Below is a diagram of an organism
(a) Identify the kingdom to which the organism belongs.
(b) State the functions of the structures labelled F and G.
(c) Name the material that makes the cell wall of the organism.
Date posted:
November 13, 2019
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Answers (1)
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The diagram below shows some growth in a plant.
(Solved)
The diagram below shows some growth in a plant.
a) Name the type of growth shown in the diagram.
b) Name the part labeled A
c) What is the function of the part labeled B
Date posted:
November 13, 2019
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Answers (1)
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State two ways through which proteins are assimilated in the body
(Solved)
State two ways through which proteins are assimilated in the body
Date posted:
November 13, 2019
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Answers (1)
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Explain why a rat has a higher food intake compared to a lizard of the same body weight.
(Solved)
Explain why a rat has a higher food intake compared to a lizard of the same body weight.
Date posted:
November 12, 2019
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Answers (1)
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Why is a pyramid of biomass a more accurate way of representing the amount of organic matter present in each trophic level as compared to...
(Solved)
Why is a pyramid of biomass a more accurate way of representing the amount of organic matter present in each trophic level as compared to the pyramid of numbers?
Date posted:
November 12, 2019
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Answers (1)
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The diagram below represents a section through a chloroplast as seen under the electron microscope.
(Solved)
The diagram below represents a section through a chloroplast as seen under the electron microscope.
(a) Name the structure labelled D.
(b) In which labelled structure do we find chlorophyll molecule.
(c) Name the structure labelled, where carbon IV oxide fixation occurs.
Date posted:
November 12, 2019
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Answers (1)
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Explain why movement of air molecules is not energy driven process.
(Solved)
Explain why movement of air molecules is not energy driven process.
Date posted:
November 12, 2019
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Answers (1)
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The figure below shows change in dry mass of germinating bean seeds with time.
(Solved)
The figure below shows change in dry mass of germinating bean seeds with time.
Account for the;
(i) Decline in dry mass between A and B.
(ii) Rapid increase in dry mass between C and D.
Date posted:
November 12, 2019
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Answers (1)