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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...
AA
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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Define active transport.

Active transport uses energy in the form of ATP hydrolysis to move a molecule against its concentration gradient.
JA
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What happens to the filtrate in the loop of Henle?

The point of the loop of Henle is to reduce the quantity of water in the filtrate and so reduce water loss. The loop is split into three key areas: The descending limb, the thin ascending limb and the thick ...
SM
Answered by Sam M. • Biology tutor
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What are the enzymes involved in the process of DNA replication?

DNA Helicase - unwinds and unzips the DNA double helix by breaking the hydrogen bonds DNA Gyrase - this helps to stabilise the single strands Single-Strand Binding Proteins - these proteins, though not exact...
DG
Answered by Dominic G. • Biology tutor
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