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What is mRNA splicing and why is it important?

mRNA splicing is a form of post-transcriptional modification of the mRNA transcript. DNA is made up of coding regions called Exons. These determine the amino acid sequence of a polypeptide chain during prote...
KP
Answered by Katherine P. • Biology tutor
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How accurate is it to say that the Weimar Republic never enjoyed popular support?

Support for constitution:High turnout rates or votes lowest of 75%Probably higher than actual support for government – people liked the democratic ideal – too idealistic Support for government:1924-29 suppor...
AP
Answered by Allan P. • History tutor
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State the relative charge and relative mass of a proton, of a neutron and of an electron. In terms of particles, explain the relationship between two isotopes of the same element. Explain why these isotopes have identical chemical properties.

Proton: Relative Mass = 1, Relative Charge = +1Neutron: Relative Mass = 1, Relative Charge = 0Electron: Relative Mass = ~1/1870, Relative Charge = -1 Isotopes vary in the number of neutrons and therefore var...
EP
Answered by Edward P. • Chemistry tutor
12764 Views

Some poisons work by interfering with synaptic transmission at a neuromuscular junction. Describe the events at a synapse which lead to an action potential.

Across a membrane, there is a voltage at rest and this is known as the resting potential. This is deermined by the membrane permeability to different ions ie which ion channels are open at rest, and also by ...
LC
Answered by Leena C. • Biology tutor
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"The United Kingdom should adopt a proportional voting system for all national level elections". Discuss

Key points:Define proportional voting system: A voting system whereby representatives are elected in proportion to the share of votes they received.Examples: Single Transferable Vote, Alternative Vote, Mixed...
JV
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