2. Cell Chemistry & Cell Components
Introduction to Membrane Transport
2. Cell Chemistry & Cell Components
Introduction to Membrane Transport
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- Multiple Choice
Which molecule most easily diffuses across a biological membrane's lipid bilayer, without help of a protein?
- Multiple Choice
According to the map above, what kind of large molecule transport is also called the process of cell 'eating'?
- Open QuestionFill in the following concept map to review the processes by which molecules move across membranes.
- Open QuestionAdd labels to the figure that follows, which illustrates some molecules that can and cannot pass through cell membranes unaided.
- Open QuestionWhich of the following processes includes all the others?a. osmosisb. diffusion of a solute across a membranec. passive transportd. transport of an ion down its electrochemical gradient
- Open QuestionWhich of the following groups of amino acid residues (see Ch. 3, Figure 3.2) would likely be found in the portion that crosses the lipid bilayer? a. acidicb. basicc. polar unchargedd. nonpolar