Enzymes as Clinical Diagnostic Tool
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Enzymes as Clinical Diagnostic Tool

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@UnquestionableOsmium

Questions and Answers

What term did Friedrich Wilhelm Kuhne coin in 1878 to describe biological catalysts?

Enzymes

What is the literal meaning of the term 'enzyme'?

In yeast

Which type of molecules are ribozymes?

RNA molecules

What term is used to refer to the reactants in enzyme-catalyzed reactions?

<p>Substrates</p> Signup and view all the answers

What characteristic of enzymes allows them to be highly selective in their catalytic activity?

<p>Shape</p> Signup and view all the answers

What is the main reason enzymes are considered catalysts in biochemical reactions?

<p>They lower the energy of activation</p> Signup and view all the answers

What is the general function of enzymes in living cells?

<p>Control of metabolic processes</p> Signup and view all the answers

Which type of catalysis involves the formation of a covalent bond between the enzyme and the substrate?

<p>Covalent catalysis</p> Signup and view all the answers

What is the significance of Km in the Michaelis-Menten equation?

<p>It is the substrate concentration at which the reaction rate is half of Vmax.</p> Signup and view all the answers

Which type of inhibition involves a molecule that competes with the substrate for binding to the active site of the enzyme?

<p>Reversible competitive inhibition</p> Signup and view all the answers

What is a possible consequence of deficiencies in enzyme catalytic activity?

<p>Genetic defects</p> Signup and view all the answers

Which regulatory mechanism involves a change in enzyme activity due to the binding of a small molecule at a location other than the active site?

<p>Allosteric regulation</p> Signup and view all the answers

Where are enzymes synthesized?

<p>Ribosomes attached to the rough endoplasmic reticulum</p> Signup and view all the answers

What is the purpose of compartmentalization of enzymes within a cell?

<p>To isolate reaction substrates or products</p> Signup and view all the answers

What does it mean for an enzyme-catalyzed reaction to be reversible?

<p>It can proceed in both forward and reverse directions</p> Signup and view all the answers

How is enzyme activity regulated within a cell?

<p>By being able to increase or decrease enzyme activity</p> Signup and view all the answers

What is the optimum temperature for most human enzymes?

<p>$35-40$°F</p> Signup and view all the answers

What term describes the sensitivity of enzymes to heat and temperature?

<p>Thermolabile</p> Signup and view all the answers

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