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What is the difference between a eukaryote and a prokaryote?
Generally a prokaryote is smaller, reaching roughly up to 5μm while eukaryotes are larger reaching roughly up to 100μm. Eukaryotes have 80s ribosomes but prokaryotes have 70s ribosomes. A eukaryotic cell con...
NH
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Nadia H.
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Biology tutor
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Compare competitive and non-competitive inhibition
Competitive inhibition: -Single active site for binding of substrate/competitive inhibitor -binding does not change the strutcure of protein -inhibition reversible by increasing substrate concentrtation that...
TS
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Tatiana S.
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Biology tutor
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Explain how amino acids could be identified using gel electrophoresis
The sample of amino acids is placed in the center of a polyacrylamide gel, across which a voltage is applied. Depending on the pH of the buffer, the amino acids will move at different rates towards either th...
EH
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Eleanor H.
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Biology tutor
13344 Views
Distinguish between active and passive immunity
Active immunity is due to the over production of antibodies by the organism itself after the body's defence mechanisms have been stimulated by the invasion of foreign micro-organisms. Whereas, passive immuni...
MR
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Mani R.
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Biology tutor
7725 Views
What is a dominant allele?
An allele that has the same effect on the phenotype whether it is present in homozygous or heterozygous state. Dominant alleles mask the effect of recessive alleles.
MR
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Mani R.
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Biology tutor
7278 Views
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