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Biology
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Answered by Mohammed A. • Biology tutor
663 Views

How do vaccines work?

Pathogens can cause diseases. We can prevent a pathogen from causing a disease in an individual by giving them a vaccine which can make them immune to the pathogen. We do this by taking a dead/weakened fo...

Answered by Alex B. • Biology tutor
1381 Views

Describe the process of mRNA formation

DNA helicase unwinds the DNA double helix (breaking hydrogen bonds and exposing nucleotide bases)Mononucleotides pair up with complementary bases on the coding strandRNA polymerase

Answered by • Biology tutor
1685 Views

How does a vaccine work?

Vaccines contain strains of an attenuated Pathogen. This means there is a dead or inactive form of the virus you are protecting against in the vaccine. This could be a like DNA segments or some lipid memb...

Answered by Robyn H. • Biology tutor
1364 Views

What is the Krebs cycle?

The Krebs cycle is one of the steps of cellular respiration - the process that allows organic molecules to be broken down in a series of stages to release chemical potential energy, which is used to synth...

Answered by Martin L. • Biology tutor
5088 Views

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