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Page 1

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OCR Biology A


Basic components of living things

Specification Checklist
reference questions

Can you use microscopy to observe and investigate different types of cell and
2.1.1 a
cell structure in a range of eukaryotic organisms?

2.1.1 b Can you prepare and examine microscope slides for use in light microscopy?

2.1.1…

Page 2

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OCR Biology A


Biological molecules

Specification Checklist
reference questions

2.1.2 a Can you describe how hydrogen bonding occurs between water molecules?

Can you relate hydrogen bonding, and other properties of water, to the roles
2.1.2 a
of water in living organisms?

2.1.2 b Can you explain the concept of monomers…

Page 3

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OCR Biology A


2.1.2 k Can you describe the general structure of an amino acid?

Can you describe the synthesis and breakdown of dipeptides and
2.1.2 l
polypeptides, by the formation and breakage of peptide bonds?

2.1.2 m Can you explain the levels of protein structure?

Can you describe the…

Page 4

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OCR Biology A


Can you carry out practical investigations into the purification of DNA by
2.1.3 d ii
precipitation?

2.1.3 e Can you explain semiconservative DNA replication?

2.1.3 f Can you describe the nature of the genetic code?

Can you describe the transcription and translation of genes resulting in the…

Page 5

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OCR Biology A


Enzymes

Specification Checklist
reference questions

Can you explain the role of enzymes in catalysing reactions that affect
2.1.4 a
metabolism at a cellular and whole organism level?

Can you explain the role of enzymes in catalysing both intracellular and
2.1.4 b
extracellular reactions?

2.1.4 c Can you…

Page 6

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OCR Biology A


Plasma membranes

Specification Checklist
reference questions

Can you explain the roles of membranes within cells and at the surface of
2.1.5 a
cells?

Can you describe the fluid mosaic model of membrane structure and the roles
2.1.5 b
of its components?

2.1.5 c i Can you list…

Page 7

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OCR Biology A


Cell division

Specification Checklist
reference questions

2.1.6 a Can you describe the cell cycle?

2.1.6 b Can you explain how the cell cycle is regulated?

2.1.6 c Can you list the main stages of mitosis?

Can you draw sections of plant tissue showing the cell cycle and…

Page 8

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OCR Biology A


3.1.1 b Can you list the features of an efficient exchange surface?

Can you describe the structures and functions of the components of the
3.1.1 c
mammalian gaseous exchange system?

3.1.1 d Can you explain the mechanism of ventilation in mammals?

Can you describe the relationship between…

Page 9

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OCR Biology A


Transport in animals

Specification Checklist
reference questions

3.1.2 a Can you explain the need for transport systems in multicellular animals?

3.1.2 b Can you list the different types of circulatory systems?

Can you describe the structure and functions of arteries, arterioles,
3.1.2 c
capillaries, venules, and veins?…

Page 10

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OCR Biology A


Transport in plants

Specification Checklist
reference questions

3.1.3 a Can you explain the need for transport systems in multicellular plants?

Can you describe the structure and function of the vascular system in the
3.1.3 b i
roots, stems, and leaves of herbaceous dicotyledonous plants?

Can you examine…

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