What vital gas, essential for the respiration of most animals, is primarily released into the atmosphere as a byproduct during the process of photosynthesis in plants and algae?
Biology MCQs
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Which key feature primarily distinguishes eukaryotic cells from prokaryotic cells?
Which organelle is often referred to as the ‘powerhouse’ of the cell because it generates most of the chemical energy needed to power the cell’s biochemical reactions?
What is the primary function of hemoglobin, the protein found in red blood cells?
Which gas do plants primarily absorb from the atmosphere for the process of photosynthesis?
Which component of blood is primarily responsible for defending the body against infections and foreign invaders?
What class of protein molecules functions primarily as biological catalysts, accelerating specific chemical reactions in living organisms without being consumed in the process?
What is considered the largest organ of the human body?
What molecule carries the genetic instructions used in the growth, development, functioning, and reproduction of all known living organisms?
What is considered the basic structural and functional unit of all known living organisms?
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