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Discuss feeding in leeches
Give an account of ecdysis in crustaceans and refers specifically to the role of external stimuli and hormones
Biology
How much quantity of Rubisco enzyme is required to absorb 2 tons of CO2 from the air in one day...........? ( In Kg)
Biology
Discuss both intrinsic and environmental factors influencing the biotransformation of drugs
Describe the role of photosynthetic pigments in oxygenic and anoxygenic photosynthetic bacteria
Give a brief summary of microbial taxonomy with reference to the classical characteristics employed in microbial classification:
Discuss the role of phages in the elimination of bacterial pathogens:
Biology
The student is then given a slide with a specimen of Amoeba to measure.
a) On what part of the microscope is the x4 objective lens mounted to allow different objective lenses to be rotated into position? (1 mark)
b) Which part of the microscope associated with the mechanical stage is the specimen slide held? (1 mark)
Which part of the microscope is used to bring the specimen clearly into view (sharpen the image seen)?
a) On what part of the microscope is the x4 objective lens mounted to allow different objective lenses to be rotated into position? (1 mark)
b) Which part of the microscope associated with the mechanical stage is the specimen slide held? (1 mark)
Which part of the microscope is used to bring the specimen clearly into view (sharpen the image seen)?
The student is then given a slide with a specimen of Amoeba to measure.
a) On what part of the microscope is the x4 objective lens mounted to allow different objective lenses to be rotated into position? (1 mark)
b) Which part of the microscope associated with the mechanical stage is the specimen slide held? (1 mark)
Which part of the microscope is used to bring the specimen clearly into view (sharpen the image seen)?
a) On what part of the microscope is the x4 objective lens mounted to allow different objective lenses to be rotated into position? (1 mark)
b) Which part of the microscope associated with the mechanical stage is the specimen slide held? (1 mark)
Which part of the microscope is used to bring the specimen clearly into view (sharpen the image seen)?
a) How many micrometres are represented between a 10th division and the next? Show how you have arrived at your answer. (2 marks)
