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Biology
GCSE

Compare the induced fit model and lock and key model for enzyme-substrate binding.

The lock and key model states that there is only one correctly sized substrate (key) for the activate site (lock) of each enzyme, therefore only one key can open each lock (react). The induced fit model h...

Answered by James M. Biology tutor
6163 Views

Name the 3 types of blood vessels in the human circulatory system and discuss how they are adapted to carry out their functions.

The three types of blood vessels in the human circulatory system are arteries, veins and capillaries. Arteries are the vessels that transport blood away from the heart and are therefore adapted to the tra...

Answered by Yashoda J. Biology tutor
2679 Views

What are features of alveoli that allow lots of oxygen to enter the blood?

Large SA, good blood supply, short diffusion distance

Answered by Abbie F. Biology tutor
2230 Views

Discuss the role of enzymes in digestion (4)

Protein Breakdown --- > via protease in stomach and pancreas, breaking down protein to amino acids
Lipid Breakdown ---> via lipases in pancreas,...

Answered by Shiv B. Biology tutor
1513 Views

Compare anaerobic respiration in a yeast cell with anaerobic respiration in a muscle cells.

Yeasts are eukaryotic single-celled organisms. Muscle cells are eukaryotic cells too however they exist within animals, rather than on their own.Anaerobic respiration in yeast produces ethanol. In muscle ...

Answered by Besir Kemal A. Biology tutor
2254 Views

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