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What are the features of asexual reproduction?

1) ONE Parent 2) SO NO fusion of gametes 3) NO genetic mixing/variation 4) Offspring is genotypically the SAME
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Answered by Hans S. Biology tutor
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Explain Darwin's Theory of Natural Selection

1) Within a population there is variation among individuals 2) Some of these individuals will be better suited to survive in their environment 3) These individuals are more likely to survive and as a result ...
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Answered by Hans S. Biology tutor
5191 Views

How does vaccination prevent infection?

1) Dead/Inactive/Attenuated Microorganisms activate immune response 2) White blood cells produce antibodies 3) Antibodies kill microorganisms 4) This allows for a faster response during reinfection
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Answered by Hans S. Biology tutor
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How do enzymes work?

Enzymes are molecules in the body that break down specific substrates which can then be used for energy or stored. An enzyme contains an active site that is complementary in shape to the substrate being brok...
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Answered by Emma H. Biology tutor
3118 Views

How do vaccinations work?

People are immunised against pathogens through vaccination - usually an injection. A vaccine is comprised of dead , inactive or weakened pathogen or virus. These act as antigens (foreign proteins) that the b...
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Answered by Rachael O. Biology tutor
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