Cytology questions | form five Biology

1. Give two (2) functions of each of the following cellular organelles.

         (i) Nucleus  (ii) Endoplasmic reticulum (iii) Golgi apparatus (iv) Lysosomes.

2. What advantages does a eukaryotic cell gain by having internal membrane – bound organelles?

Answer / Solution

UNSOLVED

1. State the properties of enzymes
2. Sketch graphs to show the types of curves that would be obtained when investigating enzyme activity under constant conditions when

          (i)A fixed quantity of enzyme is used

          (ii) Excess substrate is used

100. Describe the roles of lipids in living organisms.

Answer / Solution

UNSOLVED

1. Why is it advantageous for cells to be small in size?
2. Draw a large and neat diagram of a chloroplast and label the parts involved in the process it undertakes.

Answer / Solution

UNSOLVED

1. State any four functions of lipids in living things.
2. Outline four roles of plasma membrane of a cell.

Answer / Solution

UNSOLVED

1. Explain the properties of enzyme
2. In what way the knowledge of competitive inhibition is important?

Answer / Solution

UNSOLVED