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BTEC APPLIED SCIENCE = UNIT3 [ ENZYMES] EXAM 2023=2024 ASSESSMENT

BTEC APPLIED SCIENCE = UNIT3 [ ENZYMES] EXAM
2023=2024 ASSESSMENT

Lock & Key Mechanism of Enzymes - answer-1. The substrate molecule attaches
itself to the Active Site of an enzyme with a shape complementary to its own.
2. This forms an Enzyme-Substrate complex, and the enzyme works on the
substrate and catalyses the reaction.
3. As a result of the reaction, products are released. The enzyme can be used
again.

collision theory - answer-Particles must collide = gain enough energy to react
Energy of collision depends >>> speed & angle

activation energy - answer-the minimum amount of energy required to start a
chemical reaction

Measuring rate of reaction - answer-- Decrease in substrate - Increase in product

Initial rate of reaction - answer-The change in concentration of a reactant or
product per unit time at the start of the reaction when t=0

Enzymes and temperature - answer-HIGH temperature denature enzymes and
make them unable to bind to the substrate -Substrate won't fit in the active site -Enzymes goes through change in shape

What are proteins made of? - answer-Polypeptide chains = amino acids linked
together by peptide bonds

Condensation reaction - answer-a chemical reaction in which two or more
molecules (amino acids) combine to produce & lose water

Dipeptide - answer-2 amino acids bonded together by a peptide bond

Polypeptide - answer-A chain of many amino acids linked together by peptide
bonds.

Enzymes - answer-proteins that act as biological catalysts

catalyst - answer-substance that speeds up the rate of a chemical reaction & not
used up

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Specificaties

Niveau: University
School: Chamberlain College Of Nursing
Opleiding: NURSING
Document
Rubriek: Tentamens
Gemaakt op: 07-06-2024
Type: .pdf
Pagina's: 2
Taal: English

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