B2 Notes

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Cells
Aims of the Unit
Candidates should use their skills, knowledge and understanding of how Science works:
o To relate the structure of different types of cells to their function in a tissue
or an organ.
o To explain the function of the parts of most human and animal cells.
o To explain that chemical reactions inside cells are controlled by enzymes.
o To explain that cells may be specialised to carry out a particular function.
Learning Objectives
o To understand that all living things are made up of cells.
o To understand the structures of different types of cells are related to their
functions.
o To understand how dissolved substances cross the cell membrane.
Photosynthesis

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Aims of the Unit
Candidates should use their skills, knowledge and understanding of how Science works:
o To interpret data showing how factors affect the rate of photosynthesis and
evaluate the benefits of artificially manipulating the environment in which
plants are grown.
Learning Objectives
o To understand that green plants use light energy to make their own food and
that they obtain the raw materials they need to make this food from the air
and the soil.…read more

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Aims of the Unit
Candidates should use their skills, knowledge and understanding of how Science works:
o To interpret pyramids of biomass and construct them from appropriate
information.
o To evaluate the positive and negative effects of managing food production
and distribution, and to be able to recognise that practical solutions to
human needs may require compromise between competing priorities.…read more

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Aims of the Unit
Candidates should use their skills, knowledge and understanding of how Science
works:
o To evaluate the advantages and disadvantages of using enzymes in home
and industry.
Learning Objectives
o Understand that Enzymes are biological catalysts that have many functions
both inside and outside cells.…read more

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Aims of the Unit
Candidates should use their skills, knowledge and understanding of how Science
works:
o To understand living things remove materials from the environment for
growth and other processes.
o To evaluate the data from the experiments by Banting and Best which led to
the discovery of insulin.
o To evaluate modern methods of treating diabetes.
Learning Objectives
o To understand what happens to the waste material produced by plants and
animals.…read more

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Aims of the Unit
Candidates should use their skills, knowledge and understanding of how Science
works:
o To explain why Mendel proposed the idea of separately inherited factors
and why the importance of this discovery was not recognised until after his
death.
o To interpret genetic diagrams.
o To make informed judgements about the social and ethical issues concerning
the use of stem cells from embryos in medical research and treatments.…read more

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