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What is active transport the movement of and what does it need to occur? Give some examples of where is might occur in the human body.

Active transport is another method by which molecules are transported into and out of the body. It is the movment of solutes that have been dissolved in water into and out of the cell against their concentra...
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Answered by Martha K. • Biology tutor
9970 Views

What can happen to a red blood cell if placed into a solution that is more dilute than its own cell contents?

The red blood cell is an animal cell therefore has no cell wall and will change its shape and seize dependent on the concentrations of solutions around it. When placed in a more dilture solution a red blood ...
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Answered by Martha K. • Biology tutor
10448 Views

What is osmosis and where does it occur in the human body?

Osmosis is the movement of water from areas of high concentrations to lower concentrations across a semi permeable membrane. It occurs over these membranes in cells of the body alllowing water to move into a...
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Answered by Martha K. • Biology tutor
56408 Views

How do I improve my French speaking and listening skills ?

The best and easiest way I have found to improve listening and speaking skills in french is to watch french films and/ or listen to french radio programmes. This can be done whenever you have a spare moment,...
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Answered by Margaux S. • French tutor
7684 Views

How can I improve my French listening skills?

Listening can seem like one of the hardest parts of French to revise for. But don't worry it doesn't have to be! Below are some useful tips to help you get ready for your listening exam. 1) Find a french sin...
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Answered by Rhiannon H. • French tutor
8593 Views