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How is meiosis different to mitosis?

Meiosis only takes place in the reproductive organs of plants and animals as opposed to throughout the body like mitosis. Meiosis results in the production of 4 genetically different, haploid gametes as oppo...
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Answered by Alexander A. • Biology tutor
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What is genetic dominance?

Genes are sections of our DNA that have a specific genetic code. When you're born you get a copy of each gene from your mother and a copy of each gene from your father. These copies are called alleles. For e...
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Answered by Ruth W. • Biology tutor
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What makes DNA molecules so stable?

The main bonding in DNA which renders the double helix structure so stable is that of hydrogen bonds. Between the complementary base pairs, hydrogen bonds connect the two strands of the helix. There are 3 H ...
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Answered by Steven A. • Biology tutor
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Describe the structure of haemoglobin and how it is suited to it's function?

Two alpha subunits and two other subinits that vary depending on th type of haemoglobin, either beta,delta, gamma or epsilon. Each subunit contains on heme group. Heme group contains four pyrol rings and a c...
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Answered by Ollie F. • Biology tutor
16518 Views

How are Xerophytes adapted to dry environments?

Start by considering what Xerophytes are, they are plants that live in dry conditions. What are the problems with dry conditions? Well, the big problem is maintaining a constant amount of water in the body. ...
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Answered by Luke C. • Biology tutor
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