Growth hormone has a(n)
Blank
______ effect on protein metabolism in muscle cells.

Question

Growth hormone has a(n) 
Blank
______ effect on protein metabolism in muscle cells.

BlackTom AI · Accepted Answer

When addressing the prompt about growth hormone's effect on protein metabolism in muscle cells, it helps to consider what GH does at the cellular level.
Option 1: 'catabolic' would imply that growth hormone promotes breaking down proteins. In contrast, growth hormone is well known for promoting growth and tissue repair by stimulating protein synthesis, particularly in muscle, which makes a catabolic effect inconsistent with its primary role.
Option 2: 'anabolic' indicates a constructive process that builds up proteins and tissues. This aligns with GH’s action of enhancing amino acid uptake and protein synthesis in muscle cells, often mediated through IGF-1 signaling, leading to increased muscle mass and repair.
To further differentiate, remember that anabolic processes contrast with catabolic ones: a catabolic effect would reduce lean body mass, whereas the anabolic effect supports increased protein accretion and growth in muscle tissue.
In summary, evaluating the physiological outcomes—protein synthesis, muscle growth, and repair—points toward an anabolic effect rather than a catabolic one, making 'anabolic' the correct characterization of GH’s action on muscle protein metabolism.

Growth hormone has a(n) Blank ______ effect on protein metabolism in muscle cells.单项选择题

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