Biology 9700/22 — May/June 2016
Cambridge AS Level · AS Level Structured Questions · worked solutions for every part, with the mark scheme
Topics Cell Structure · Cell Membranes and Transport · Enzymes · Transport in Plants · Infectious Diseases · Immunity · +5 more
Statements A to E are about the structure and functioning of enzymes.
State the correct term to match each of the statements A to E.
A The energy level, lowered by enzyme action, that needs to be overcome by reactants in order for products to be formed.
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B The mechanism of enzyme action that relies on the active site being partially flexible and changing shape in order to bind the substrate.
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C The term to describe a protein, such as an enzyme, with a tertiary or quaternary structure that results in an approximately spherical shape.
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D The term for enzymes that function outside cells.
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E The concentration of substrate that enables an enzyme to achieve half the maximum rate of reaction.
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The rest of this paper
5 more questions- Q2Transport in Plants4M
- Q3Infectious Diseases · Immunity14M
- Q4Transport in Mammals · Gas Exchange · Cell Structure · Cell Membranes and Transport16M
- Q5The Mitotic Cell Cycle · Cell Membranes and Transport9M
- Q6Biological Molecules · Nucleic Acids and Protein Synthesis · Cell Structure12M