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What is the difference between a saturated and unsaturated fatty acid?

Saturated fatty acids have no double bonds between the carbon atoms in their carbon chain (the carbon chain is ‘saturated’ with hydrogen). In contrast, unsaturated fatty acids have at least one double bond b...
Answered by • Biology tutor
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Describe the nature of the genetic code

A base triplet (sequence of 3 bases) encodes a single amino acid. The same base triplet codes for the same amino acid in all organisms, meaning that the genetic code is universal. In addition the code is non...
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Answered by Isabel B. • Biology tutor
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Explain why rate of reaction increases when temperature increases.

the reactant particles have more energy, so they move quicker, so there are more frequent successful collisions
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Answered by Israel H. • Chemistry tutor
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Name three non-specific human defences against diseases

skin - acts as a physical barrier; mucus and ciliated cells on mucous membrane in trachea - catch pathogens and sweep them up out of lungs; stomach acid - kills bacteria
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Answered by Israel H. • Biology tutor
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How should I approach an ethical scenario in my interview?

Lesson Plan: Shared text editor:AutonomyBeneficenceConfidentialityDo no harmEquality This is a simple framework that can you can use to structure your answer to any ethical scenario. Task for student and tut...
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