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Questions and Answers
Which type of proteins create hydrophilic holes in cell membranes?
Which type of proteins create hydrophilic holes in cell membranes?
- Carrier proteins
- Channel proteins (correct)
- Peripheral proteins
- Glycoproteins
Which type of proteins consume energy to transport substances against the concentration gradient?
Which type of proteins consume energy to transport substances against the concentration gradient?
- Channel proteins
- Glycoproteins
- Integral proteins
- Carrier proteins (correct)
Which type of proteins transport only ions and molecules down the concentration gradient?
Which type of proteins transport only ions and molecules down the concentration gradient?
- Peripheral proteins
- Carrier proteins
- Glycoproteins
- Channel proteins (correct)
Which type of proteins have a fixed conformation at all times, even when transporting molecules?
Which type of proteins have a fixed conformation at all times, even when transporting molecules?
Which type of proteins transport chemicals across the membrane both down and up the concentration gradient?
Which type of proteins transport chemicals across the membrane both down and up the concentration gradient?
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