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Describe the genetic code and its relationship to polypeptides and proteins. (5 points) (PAPER 2 QUESTION BIOLOGY SL)

Sequential answer: 1. What is the genetic code? sets of 3 nucleotides/sets of bases which are called codons (1 point). 2. Which are the bases? bases include adenine, guanine, cytosine and thymine in DNA / ad...
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Answered by Arian A. • Biology tutor
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What is the difference between vaccines and immunisation?

Immunisation is the process of becoming "immune" to a pathogen, in other words once you are exposed to the pathogen again you won't become ill (present with the symptoms). After your body is expose...
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Answered by Jake W. • Biology tutor
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Why is benzene so stable?

Benzene (C 6 H 6 ) is a simple aromatic compound, which consists of a planar hexagonal ring of six carbon atoms, with each carbon being bonded to one hydrogen atom and two other carbon atoms. Carbon has four...
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Answered by Max B. • Chemistry tutor
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How should I analyse a primary source?

Primary sources offer you the chance to engage with a true piece of History - instead of taking a textbook's word, you can formulate your own opinion on the matter. Start by asking yourself what the source i...
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Answered by Tristan B. • History tutor
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How consistent was Russia's treatment of the peoples in its Empire throughout the period in 1855 to 1964? (25 mark A2 style question)

Students may be tempted to answer this question in chronological order or by country or ethnicity. Don’t! Always sort your points thematically, no matter how broad the question might seem. It is important to...
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Answered by Georgia M. • History tutor
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