Multiple Choice
Which of the following accurately describes the direction phloem sap can flow in plants?
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2. Cell Chemistry & Cell Components
Introduction to Membrane Transport
Back2. Cell Chemistry & Cell Components
Introduction to Membrane Transport
- Multiple ChoiceWhich substances move through the villi walls into the blood vessels during nutrient absorption in the small intestine?19views
- Multiple ChoicePlasma transports which of the following components in the blood?83views
- Multiple ChoiceInterstitial fluids typically enter the venous end of a capillary bed via which process?17views
- Multiple ChoiceHow do gated channels function in the regulation of sodium and potassium ions across the cell membrane?69views
- Multiple ChoiceThe filtration membrane includes all of the following except:23views
- Multiple ChoiceSubstances are said to be what when they move from the tubular fluid back into the blood?17views
- Multiple ChoiceWhy are ion channels necessary for the transport of ions into or out of a cell?81views
- Multiple Choice
Which molecule most easily diffuses across a biological membrane's lipid bilayer, without help of a protein?
3868views62rank - Multiple Choice
According to the map above, what kind of large molecule transport is also called the process of cell 'eating'?
4085views46rank - Textbook QuestionFill in the following concept map to review the processes by which molecules move across membranes.1762views
- Textbook QuestionAdd labels to the figure that follows, which illustrates some molecules that can and cannot pass through cell membranes unaided.1041views
- Textbook 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 gradient1873views
- Textbook 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. nonpolar1353views
- Textbook QuestionHow do the components and structure of cell membranes relate to the functions of membranes?1427views