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What is the difference between mitosis and meiosis

Both are forms of cell division. All 'normal' cells undergo mitosis to produce identical copies of themselves with the same number of chromosomes. This increase in cell number leads to growth/repair of tissu...
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Answered by Hasan R. • Biology tutor
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What is a chiral carbon and optical isomerism?

A chiral carbon is a carbon with four distinct molecular groups bonded to it. The main consequence of this is imposing optical isomerism to the compound. Optical isomers can be thought of as a non-superimpos...
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Answered by Michael K. • Chemistry tutor
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What are 3 accounting concepts used when preparing a set of accounts?

Accruals concept. The accruals concept is a concept used in the preparation of accounts. The accruals concept states that revenue (sales) should be recorded when the revenue is earned, not when the cash is r...
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Answered by James P. • Accounting tutor
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Simultaneous Equation: 3x + y = -4 / 3x - 4y = 6

Route 1 (Standard): 1. 3x + y = -4 / 2. 3x - 4y = 6 / MINUS 2 FROM 1 / y - (-4y) = 5y / -4 - 6 = - 10 / 5y = - 10 / y = -2 /PUT y-VALUE BACK INTO ORIGINAL EQ / 3x - 2 = -4 / 3x = - 4 + 2 / 3x = -2 / x = - 2/...
Answered by • Maths tutor
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Explain how an adult develops immunity to a bacterial toxin

When the body is exposed to a bacterial toxin for the first time, it is recognised as foreign and an immune response will be mounted. In response to the toxin, B lymphocytes will be produced which make antit...
Answered by • Biology tutor
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