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Describe the basic structure of a cell membrane?

Made of structrues called phospholipids with a polar, hydrophobic head region and a non-polar hydrophillic region. Formation of a bilayer. Contains cholesterol which binds to the fatty acid tails to add sten...
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Answered by Kaylan P. • Biology tutor
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Why are Amines more basic than Amides?

The lone pair of electrons on the amine are more available to accept a proton and act as a base. This is because in amides, the carbonyl (C=O) group is highly electronegative, so has a greater power to draw ...
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Answered by Kaylan P. • Chemistry tutor
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What is a hormone and what do they do?

A hormone is a chemical messenger which travels in the blood. Hormones cause other tissues and organs to either produce other hormones or carry out chemical reactions. Water-soluble hormones cause this by bi...
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Answered by Amber D. • Biology tutor
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Define Electronegativity

It is the TENDANCY of an atom to attract a PAIR of electrons in a COVALENT bond.
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Answered by Oscar W. • Chemistry tutor
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How should I go about making my personal statement stand out from the piles of med school applications?

Many students become fixated on making their statement different and unique, often to the extent that they run the risk of seeming disingenuous or detracting from the core messages they wish to convey. This ...
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