The Step Involving ATP, Hexokinase and the Phosphorylation of Glucose

question 55

Multiple Choice

The step involving ATP, hexokinase and the phosphorylation of glucose to glucose-6-phosphate is

• A)the final step of the Krebs cycle.
• B)the first redox reaction of the electron transport system.
• C)an example of oxidative phosphorylation.
• D)an example of substrate-level phosphorylation.
• E)an example of photophosphorylation.

---

Definitions:

Smooth Muscle

Involuntary, non-striated muscle found in the walls of hollow organs like the intestines, blood vessels, and bladder, responsible for movements like constriction and relaxation.

Digestive Tract

A connected series of hollow organs forming a lengthy, winding path from the mouth to the anus, designed for ingesting food, digesting it, absorbing nutrients, and expelling waste.

Lamellae

Concentric, ring-like layers found in bone, making up the structure of compact bone, or in the chloroplasts of plants, where they contain light-absorbing pigments for photosynthesis.

Compact Bone Tissue

A type of bone tissue that is dense and solid, providing structural strength.