Recent questions in Biology

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Differentiate between heparin and histamine.

asked Aug 6, 2021 in Biology Form 2 by anony mous

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The figure below is a diagram of a vertical section of a mammalian tooth

asked Aug 6, 2021 in Biology Form 1 by anonymous

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Name the vitamin, an enzyme and a mineral element that are involved in blood clotting.

asked Aug 6, 2021 in Biology Form 2 by anony mous

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Name the enzyme that speeds up loading of carbon (IV) oxide in the red blood cells.

asked Aug 6, 2021 in Biology Form 2 by anony mous

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Give a reason for the biconcave shape of the red blood cells.

asked Aug 6, 2021 in Biology Form 2 by anony mous

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An organism was found to have the dental formula:

asked Aug 6, 2021 in Biology Form 1 by anony mous

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Distinguish between diffusion and active transport.

asked Aug 6, 2021 in Biology Form 1 by anony mous

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State three characteristics that are used to divide phylum arthropoda into classes.

asked Aug 6, 2021 in Biology Form 3 by anony mous

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The rate of transpiration was determined under normal conditions in the laboratory. Giving reasons, explain the differences you would expect if the measurements were repeated under the following conditions.

asked Aug 6, 2021 in Biology Form 2 by anonymous

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State two ways in which the rough endoplasmic reticulum is adapted to its function.

asked Aug 6, 2021 in Biology Form 1 by anony mous

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The figure below is a diagram of a potometer

asked Aug 6, 2021 in Biology Form 1 by anonymous

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Name two special characteristics of heart muscles which distinguishes it from other parts of muscles

asked Aug 6, 2021 in Biology Form 2 by anonymous

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The diagram below show the internal structure of a mammalian heart

asked Aug 6, 2021 in Biology Form 2 by anonymous

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The diagram below is a transverse section of a certain part of a dicotyledonous plant.

asked Aug 6, 2021 in Biology Form 1 by anonymous

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State two structural and two environmental factors that affect the rate of transpiration

asked Aug 6, 2021 in Biology Form 1 by anonymous

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The enzyme pepsin and trypsin are secreted as inactive precursors:

asked Aug 6, 2021 in Biology Form 1 by anonymous

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List two importance of water in living organisms

asked Aug 6, 2021 in Biology Form 1 by anonymous

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Name the carbohydrates that is

asked Aug 6, 2021 in Biology Form 1 by anonymous

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In an experiment equal amounts of three different sugar solutions were placed in the risking tubings X, Y and Z. the tubings were placed in a beaker of water containing 5% sugar solution. The set up was left for two hours. The results were as shown in the diagram below.

asked Aug 6, 2021 in Biology Form 1 by anonymous

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The cell structure below was observed under the light microscope

asked Aug 6, 2021 in Biology Form 1 by anonymous

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