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Biology
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Compare the structure and properties of phospholipids and triglycerides

Both have ester bonds. Ester bonds are formed between glycerol and fatty acids Both contain glycerolFatty acids can be either saturated or unsaturated in both structures. Saturated fatty acids do not have...

KL
Answered by Kiman L. Biology tutor
7547 Views

How does genetic variation occur in meiosis?

There are three ways that the cells produced in meiosis are different from each other and from the parent cells:1) Independent assortment: this is the idea that during metaphase 1 and 2 pairs of homologou...

AL
Answered by Amy L. Biology tutor
6318 Views

A-Level question: How is blood glucose regulated?

Blood glucose must be regulated, normal blood glucose for a non-diabetic person is 4.0-5.9mmol. A low blood glucose (sugar) is harmful and a high blood can indicate diabetes. the pancreas and liver and cr...

EJ
Answered by Erin J. Biology tutor
2809 Views

My knowledge of biology is good but I never seem to get all the marks on a question - how can I get as many marks as possible?

This is a really common problem of knowing all the knowledge behind the question but still not getting the most marks you can. The best way to manage this is to simply learn the mark scheme; the questions...

BS
Answered by Bethan S. Biology tutor
2290 Views

How do I tackle questions that seem only vaguely related to the course I've covered?

These questions are particularly stressful, because they seem completely random. But the most important thing to do is relax and think back to your syllabus. Can you make any links to the topic at hand an...

JS
Answered by Juliet S. Biology tutor
2118 Views

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