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Define osmosis

Osmosis is the passive movement of water from an area of high water concentration (dilute solution) to an area of low water concentration (concentrated solution) across a partially permeable membrane down...

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Answered by Josephine S. Biology tutor
2439 Views

what is water potential?

Water potential is a measure of the tendency of water to move from one place or compartment to another. Water moves based on the water potential, from a region of higher water potential to a region of low...

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Answered by Verity G. Biology tutor
2731 Views

What are the differences between eukaryotes and prokaryotes

Eukaryotes: animals and plantsmany eukaryotes are complex, multicellular organisms cells contain membrane bound organelles (such as a nucleus)
Prokaryotes: bacteria and archaeasingle celled organism...

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Answered by Verity G. Biology tutor
2235 Views

Explain the differences between the lock-and-key mechanism of enzyme action and the induced fit model

The lock-and-key mechanism of enzyme activation involves the active site of the enzyme fitting perfectly with the substrate molecule and the subsequent reaction being catalysed biologically. However, the ...

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Answered by Caitlin O. Biology tutor
6966 Views

How can a mutation in a sequence of DNA affect the function of a protein?

Firstly, it is important to recap how DNA codes for synthesis of proteins. mRNA is formed from complementary base pairing to the template strand of DNA in a process called transcription. Every 3 bases wit...

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Answered by Ben L. Biology tutor
23022 Views

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