Enzymes Essentials: True or False

Yes or No

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About this activity

Quick enzyme facts true/false challenge.

Created by

Maria Avila

Dominican Republic

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Enzymes Essentials: True or FalseOnline version Quick enzyme facts true/false challenge. by Maria Avila 1 Km decreases when the enzyme concentration increases. Yes No 2 Enzymes are consumed during the reactions they catalyze. Yes No 3 Michaelis-Menten theory describes how Km is the substrate concentration at which the reaction rate is half of Vmax. Yes No 4 The active site of an enzyme consists of a recognition site and a catalytic site. Yes No 5 Cofactors such as Mg2+, Mn2+, Fe2+, Cu2+, and Zn2+ are often required for enzyme catalysis. Yes No 6 The Fischer 'lock and key' model describes a preformed, rigid active site, while the Koshland 'induced fit' model allows the active site to adapt to the substrate. Yes No 7 Most human enzymes operate best at temperatures around 60–70°C. Yes No 8 The lock-and-key model implies that the enzyme active site changes shape to fit the substrate. Yes No 9 Enzymes are biological catalysts that speed up reactions without being consumed. Yes No 10 All enzymes function optimally at highly acidic pH levels. Yes No

Enzymes Essentials: True or FalseOnline version

Quick enzyme facts true/false challenge.

by Maria Avila

Km decreases when the enzyme concentration increases.

Yes

Enzymes are consumed during the reactions they catalyze.

Yes

Michaelis-Menten theory describes how Km is the substrate concentration at which the reaction rate is half of Vmax.

Yes

The active site of an enzyme consists of a recognition site and a catalytic site.

Yes

Cofactors such as Mg2+, Mn2+, Fe2+, Cu2+, and Zn2+ are often required for enzyme catalysis.

Yes

The Fischer 'lock and key' model describes a preformed, rigid active site, while the Koshland 'induced fit' model allows the active site to adapt to the substrate.

Yes

Most human enzymes operate best at temperatures around 60–70°C.

Yes

The lock-and-key model implies that the enzyme active site changes shape to fit the substrate.

Yes

Enzymes are biological catalysts that speed up reactions without being consumed.

Yes

All enzymes function optimally at highly acidic pH levels.

Yes

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Enzymes Essentials: True or False

Yes or No

About this activity

Created by

Download the paper version to play

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Enzymes Essentials: True or FalseOnline version

by Maria Avila

Km decreases when the enzyme concentration increases.

Enzymes are consumed during the reactions they catalyze.

Michaelis-Menten theory describes how Km is the substrate concentration at which the reaction rate is half of Vmax.

The active site of an enzyme consists of a recognition site and a catalytic site.

Cofactors such as Mg2+, Mn2+, Fe2+, Cu2+, and Zn2+ are often required for enzyme catalysis.

The Fischer 'lock and key' model describes a preformed, rigid active site, while the Koshland 'induced fit' model allows the active site to adapt to the substrate.

Most human enzymes operate best at temperatures around 60–70°C.

The lock-and-key model implies that the enzyme active site changes shape to fit the substrate.

Enzymes are biological catalysts that speed up reactions without being consumed.

All enzymes function optimally at highly acidic pH levels.

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