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Biology
IB

What are the structural and functional differences between arteries and veins?

Structural Differences

1. Arteries have a much thicker wall to withstand the high pressure of blood flowing in them, whereas veins<...

IC
Answered by Iro C. Biology tutor
68086 Views

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. <...

NH
Answered by Nadia H. Biology tutor
2973 Views

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

-...

TS
Answered by Tatiana S. Biology tutor
11379 Views

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...

EH
Answered by Eleanor H. Biology tutor
11997 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 ...

MR
Answered by Mani R. Biology tutor
7021 Views

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