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Outline the lock and key mechanism of enzyme-controlled reactions

Enzymes are proteins that catalyse specific biological reactions in the body. These proteins have a specific 3D structure known as a teritary structure, with a specialised domain known as an 'active site' th...
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Answered by Michael J. Biology tutor
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Explain how skeletal muscle contraction is stimulated

A nerve impulse travelling down a motor neurone causes the release of acetylcholine from the synpatic knob into the synaptic cleft. This then diffuses across the synaptic cleft down its concentration gradien...
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Answered by Michael J. Biology tutor
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What are the four main processes that occur in spermatogenesis within the testes?

1.Mitosis: division of germline epithelium (into spermatogonia) 2. Cell growth 3. Meiosis (2 divisons): results in four haploid daughter cells 4. Cell differentiation: forming sperm cells Extension: Sertoli ...
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What is the difference between Areobic and Anaerobic Respriation

Areobic Respiration requires oxygen to release energy, producing water and carbondioxide as waste products according to equation belowC6H1206 + 6O2 = 6CO2 + 6H20Areobic respriation occurs in the mitochondria...
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Answered by Victoria E. Biology tutor
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Q: Describe the structure of an amino acid and the formation of a peptide bond.

Proteins are made up of organic molecules called amino acids . There are thousands of different proteins with diverse functions: storage, transport, structural support, cellular communication, enzymes and ho...
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Answered by Florence M. Biology tutor
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