Consider the following diagram of a plasma membrane - VCE - SSCE Biology - Question 8 - 2016 - Paper 1
Question 8
Consider the following diagram of a plasma membrane.
The structure labelled 'X' is a
A. protein channel.
B. cholesterol molecule.
C. glycoprotein molecule.
D. phosp... show full transcript
Worked Solution & Example Answer:Consider the following diagram of a plasma membrane - VCE - SSCE Biology - Question 8 - 2016 - Paper 1
Step 1
Identify the Structure 'X'
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Answer
In the provided diagram of the plasma membrane, the structure labelled 'X' is visible as a channel embedded within the membrane. This structure plays a crucial role in the transport of substances across the membrane.
Step 2
Determine the Type
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Answer
Based on the options provided, the correct identification of structure 'X' is:
A. protein channel.
Protein channels are integral membrane proteins that facilitate the passive movement of ions and molecules across the plasma membrane.
