a)Manufacture of ribosomes;
b) encloses cell contents; regulate movement of materials in and out of the cell
marto answered the question on October 3, 2019 at 09:34
- In a class experiment to establish the size of an onion cell, a leaner observed the following on the microscope field of view(Solved)
In a class experiment to establish the size of an onion cell, a leaner observed the following on the microscope field of view
If the student counted 20 cells across the diameter of this field of view, calculate the size of one
cell in micrometers
Date posted: October 3, 2019. Answers (1)
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slides :-
(a) Staining
(b) Use of a sharp cutting blade(Solved)
Explain why the following processes are important during the preparation of temporary.
slides :-
(a) Staining
(b) Use of a sharp cutting blade
Date posted: October 3, 2019. Answers (1)
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a) Digestion and destruction of worn out organelles.
b) Osmoregulation(Solved)
Name the organelles that perform each of the following functions:
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b) Osmoregulation
Date posted: October 3, 2019. Answers (1)
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List three features that distinguish arthropods from other organisms.
Date posted: October 3, 2019. Answers (1)
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(i) Write the name correctly
(ii) Identify the genus and species names(Solved)
The scientific name of a rat is Rattus norvegicus
(i) Write the name correctly
(ii) Identify the genus and species names
Date posted: October 3, 2019. Answers (1)
- The diagram below represents a bread mould.(Solved)
(a) (i) Name the Kingdom to which bread mould belongs.
(ii) Give two distinguishing characteristics of the Kingdom named in (a)(i) above.
(b) State the function of the part labelled R
Date posted: October 3, 2019. Answers (1)
- During a class practical form four students came across a plant whose flower floral parts were in multiples of fours and fives. To which sub-division...(Solved)
During a class practical form four students came across a plant whose flower floral parts were in multiples of fours and fives. To which sub-division and class does the plant belong?
Date posted: October 3, 2019. Answers (1)
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Name the branch of Biology that deals with the study of animals.
Date posted: October 3, 2019. Answers (1)
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The diagram below represents a bread mould:-
(a) Identify the kingdom to which the organism belongs
Date posted: October 3, 2019. Answers (1)
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(b) Give any two benefits of bacteria to man.(Solved)
(a) In which kingdom do bacteria belong?
(b) Give any two benefits of bacteria to man.
Date posted: October 3, 2019. Answers (1)
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Give two characteristics that distinguish scientific names of organisms from the ordinary names.
Date posted: October 3, 2019. Answers (1)
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List any three distinguishing features of class mammalia.
Date posted: October 3, 2019. Answers (1)
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Date posted: October 3, 2019. Answers (1)
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Explain how high osmotic pressure is reduced back to normal in the human body.
Date posted: October 3, 2019. Answers (1)
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State three differences between class insect and Arachnida.
Date posted: October 3, 2019. Answers (1)
- The diagram below represents a stage during cell division.
a) Identify the stage of cell division.
b) Give two reasons for your answer
c) Name the structure...(Solved)
The diagram below represents a stage during cell division.
a) Identify the stage of cell division.
b) Give two reasons for your answer
c) Name the structure labelled P
Date posted: October 3, 2019. Answers (1)
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Explain the effect of discharging hot water in an aquatic ecosystem.
Date posted: October 3, 2019. Answers (1)
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Name two processes that occur in the nephrone of the mammalian kidney.
Date posted: October 3, 2019. Answers (1)
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Explain how high humidity affects the rate of transpiration.
Date posted: October 3, 2019. Answers (1)
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Why is pepsin secreted in its inactive form?
Date posted: October 3, 2019. Answers (1)