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Degree: Biomedical science (Bachelors) - Durham University
About me
Subjects offered
Qualifications
|
CRB/DBS Standard |
✓ |
06/08/2015 |
|
CRB/DBS Enhanced |
No |
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Sheila (Parent) March 21 2017
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Sheila (Parent) October 31 2016
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Questions Alexis has answered
How do I differentiate?
Differentiation is a relatively easy process once you learn the basic method. The basic rule is, you multiply the coefficient of x by the exponent, which becomes the new coefficient, and then reduce the exponent by 1.
For example; differentiate 4x3
To get the new coefficient you times to old coefficient and exmponent together, in this case 4 x 3 = 12.
To get the new exponent, you reduce the old exponent by 1. So the new exponent is 3-1 = 2.
Therfore, the differntial of 4x3 is 12x2.
see moreHow do the hydrophobic and hydrophilic properties of phospholipids help maintain the structure of cell membranes?
The cell membrane is comprised of molecules with a phosphate head and hydrocarbon tail. The phosphate heads are polar, therfore they are hydrophilic and form favourable interactions with water, so line the outside of the membrane. The fatty acid, hydrocarbon tails are non-polar and are hydrophobic so face inwards to the centre of the membrane.
Due to the interactions between the hydrophobic tails in the centre and between the hydrophilic heads and water on the outside, it creates a very stable membrane.
see moreWhat is the difference between meiosis and mitosis?
There are a few fundamental differences between these processes. Mitosis is required for cell growth and repair and asexual reproduction. Meiosis is used in the production of gametes for sexual reproduction. During mitosis only one division occurs leading to the production of two genetically identical diploid daughter cells. In meiosis there are two divsion resulting in four haploid daughter cells which are not gentically identical. These differences occur due to crossing over during prophase 1 in which recombination can happen.
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