Internal Respiration Can Be Defined As

question 31

Multiple Choice

Internal respiration can be defined as:

• A) the exchange of gases between the lung and the blood capillaries in the lung.
• B) pulmonary ventilation.
• C) the exchange of gases between the blood capillaries and the tissues cells.
• D) both A and B.

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Definitions:

Cytoplasm

The jelly-like substance within a cell, excluding the nucleus, that contains organelles, enzymes, and the cytoskeleton, providing a site for most cellular processes.

Peptidoglycan Cell Wall

The peptidoglycan cell wall is a rigid and supportive layer found in the cell walls of most bacteria, providing structural strength and protecting against osmotic pressure.

Nuclear Membrane

The lipid bilayer membrane which encloses the nucleus, separating its contents from the cytoplasm and regulating molecule passage.

Ribosomes

The cellular structures responsible for protein synthesis, found floating freely within the cytoplasm or attached to the endoplasmic reticulum.