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Page 1

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NBHS Standard Grade Biology
Study Guide









Investigating Living Cells



The work you have done in this subtopic should enable you to:

explain why cells are often stained before being examined


name the parts of an animal cell and identify them on a diagram


name the parts of a plant cell…

Page 2

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NBHS Standard Grade Biology
Study Guide



explain what a selectively permeable membrane is


use the terms `selectively permeable' and `water molecule
concentration' to explain what happens in osmosis


describe and explain what happens to animal cells when they are placed in
solutions with different concentrations


describe and explain what happens…

Page 3

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NBHS Standard Grade Biology
Study Guide






The Need for Energy




The General Level work you have done in this subtopic should enable you to:


know what happens if someone's energy intake is more than they need or less
than they need

know the difference in the composition of inhaled and…

Page 4

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NBHS Standard Grade Biology
Study Guide



describe the exchange of gases which takes place in the air sacs in the lungs

describe the features which make the lungs efficient gas exchange organs

explain how haemoglobin and oxyhaemoglobin are involved in oxygen
transport

explain how the capillary network allows efficient gas…

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