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Structure of yeast and bacterial cell
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Dissolved substances (definition, and factors affecting, movement of oxygen)
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Large multicellular organisms develop systems for exchanging materials; during development of multicellular organisms, cells differentiate so that they can perform different functions.
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Plant organs including stems, roots and leaves – label and describe their functions.
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Plant tissues – epidermal, mesophyll, xylem and phloem – identify and describe their function.
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Glucose made in photosynthesis can be converted into insoluble starch for storage and it can be used in respiration.
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To produce proteins, plants also use nitrate ions that are absorbed from the soil.
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The shape of an enzyme is vital for its function. High temperatures change the shape.
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Amylase is produced in the salivary glands, pancreas and small intestine. It catalyses the breakdown of starch into sugars in the stomach and small intestine.
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Microorganisms produce enzymes that pass out of cells. These have many uses in the home and industry.
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Aerobic respiration takes place continuously in animals and plants.
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Word equation for aerobic respiration.
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Muscles store glucose as glycogen which can then be converted back to glucose for use during exercise.
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Mitosis occurs during growth or to produce replacement cells.
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The type of cell division in which a cell divides to form gametes is called meiosis.
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Most types of animal cell differentiate at an early stage where as plant cells retain the ability to differentiate throughout life. In mature animals…
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Chromosomes are made up of large molecules of DNA which has a double helix structure.
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Gene – section of DNA – codes for a particular combinstion of amino acids – makes a specific protein.
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In human body cells, one of the 23 pairs…
•
Each person apart from identical twins has unique DNA. This can be used in DNA finger printing.
•
Cystic fibrosis…
•
Embryo screening…
•
Structure of yeast and bacterial cell
•
Dissolved substances (definition, and factors affecting, movement of oxygen)
•
Large multicellular organisms develop systems for exchanging materials; during development of multicellular organisms, cells differentiate so that they can perform different functions.
•
Plant organs including stems, roots and leaves – label and describe their functions.
•
Plant tissues – epidermal, mesophyll, xylem and phloem – identify and describe their function.
•
Glucose made in photosynthesis can be converted into insoluble starch for storage and it can be used in respiration.
•
To produce proteins, plants also use nitrate ions that are absorbed from the soil.
•
The shape of an enzyme is vital for its function. High temperatures change the shape.
•
Amylase is produced in the salivary glands, pancreas and small intestine. It catalyses the breakdown of starch into sugars in the stomach and small intestine.
•
Microorganisms produce enzymes that pass out of cells. These have many uses in the home and industry.
•
Aerobic respiration takes place continuously in animals and plants.
•
Word equation for aerobic respiration.
•
Muscles store glucose as glycogen which can then be converted back to glucose for use during exercise.
•
Mitosis occurs during growth or to produce replacement cells.
•
The type of cell division in which a cell divides to form gametes is called meiosis.
•
Most types of animal cell differentiate at an early stage where as plant cells retain the ability to differentiate throughout life. In mature animals…
•
Chromosomes are made up of large molecules of DNA which has a double helix structure.
•
Gene – section of DNA – codes for a particular combinstion of amino acids – makes a specific protein.
•
In human body cells, one of the 23 pairs…
•
Each person apart from identical twins has unique DNA. This can be used in DNA finger printing.
•
Cystic fibrosis…
•
Embryo screening…