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hexokinase

American

[hek-suh-kahy-neys, -neyz] / ˌhɛk səˈkaɪ neɪs, -neɪz /

noun

Biochemistry.

an enzyme that catalyzes the phosphorylation of hexose sugars.

Etymology

Origin of hexokinase

First recorded in 1925–30; hexo(se) + kinase

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

When hexokinase is inhibited, glucose diffuses out of the cell and does not become a substrate for the respiration pathways in that tissue.

From Textbooks • Jun. 9, 2022

Explain why the lock-and-key model does not adequately represent the relationship between hexokinase and glucose.

From Textbooks • Jun. 9, 2022

Citrate and ATP are positive regulators of hexokinase.

From Textbooks • Jun. 9, 2022

The product of the hexokinase reaction is glucose-6-phosphate, which accumulates when a later enzyme, phosphofructokinase, is inhibited.

From Textbooks • Jun. 9, 2022

Glycolysis begins with the phosphorylation of glucose by hexokinase to form glucose-6-phosphate.

From Textbooks • Jun. 19, 2013

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023