Which row in the table correctly identifies the features of the named transport mechanism?
| Transport mechanism | Is energy required? | Molecules transported | Direction of movement (concentration of transported molecules) |
|---------------------|---------------------|-----------------------|-------------------------------------------------------------|
| A - HSC - SSCE Biology - Question 12 - 2010 - Paper 1
Question 12
Which row in the table correctly identifies the features of the named transport mechanism?
| Transport mechanism | Is energy required? | Molecules transported | Dir... show full transcript
Worked Solution & Example Answer:Which row in the table correctly identifies the features of the named transport mechanism?
| Transport mechanism | Is energy required? | Molecules transported | Direction of movement (concentration of transported molecules) |
|---------------------|---------------------|-----------------------|-------------------------------------------------------------|
| A - HSC - SSCE Biology - Question 12 - 2010 - Paper 1
Step 1
Identify the transport mechanism
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Answer
The transport mechanisms in question are diffusion and osmosis. We are looking to identify the correct features of osmosis.
Step 2
Is energy required?
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Answer
Osmosis is a passive transport mechanism and does not require energy. Therefore, the answer is 'No'.
Step 3
Molecules transported
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Answer
Osmosis specifically involves the transport of water molecules.
Step 4
Direction of movement (concentration of transported molecules)
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Answer
Osmosis occurs from an area of high concentration of water (or low concentration of solute) to an area of low concentration of water (or high concentration of solute). Therefore, the direction of movement is 'From high to low'.
