The Major Regulator of Respiration Is the Plasma Concentration of ________

question 24

Multiple Choice

The major regulator of respiration is the plasma concentration of ________.

• A) oxygen
• B) carbon dioxide
• C) water vapor
• D) nitrogen
• E) chloride

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Definitions:

Structural Unit

The smallest part of an organ or structure that retains all the characteristics of the organ or structure.

ATPase

An enzyme that catalyzes the decomposition of ATP into ADP and a free phosphate ion, which releases energy used to drive many processes in living cells.

Myosin Heads

Part of the myosin molecule that binds to actin filaments and is crucial for muscle contraction.

F-actin

F-actin, or filamentous actin, is a polymerized form of actin filaments that is a key component of the cytoskeleton, involved in cell movement, stability, and division.