Multiple Choice
What is the primary function of a kinase enzyme?
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7. Energy and Metabolism
Enzymes
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What is the primary function of membrane proteins that act as enzymes?
A
To provide structural support to the cell
B
To facilitate cell-cell communication
C
To transport molecules across the membrane
D
To catalyze chemical reactions at the cell surface
Verified step by step guidance1
Understand the role of membrane proteins: Membrane proteins are integral or peripheral proteins that are part of, or interact with, cell membranes. They perform various functions essential for cellular processes.
Identify the function of enzymes: Enzymes are biological catalysts that speed up chemical reactions without being consumed in the process. They lower the activation energy required for reactions to occur.
Relate enzymes to membrane proteins: Some membrane proteins function as enzymes. These proteins are embedded in the cell membrane and catalyze reactions at the cell surface, facilitating processes such as signal transduction and metabolic pathways.
Differentiate from other functions: While membrane proteins can also provide structural support, facilitate communication, and transport molecules, the specific function of those acting as enzymes is to catalyze chemical reactions.
Conclude the primary function: The primary function of membrane proteins that act as enzymes is to catalyze chemical reactions at the cell surface, enabling efficient cellular processes.
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