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Why is O2 so important for respiration?

Oxygen is a critical component of Aerobic respiration in many animals. The reason why oxygen is so important is because it plays a crucial role in the mitochondria, the powerhouses of the cell. The mitochond...
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Answered by Vignesh S. • Biology tutor
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Explain the mechanism of breathing

Breathing consists of two phases called inhalation and exhalation. Inhalation In order for air to be drawn into the lungs during inhalation the volume of the thorax must increase . This is brought about due ...
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Answered by Lauren M. • Biology tutor
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What is the difference between meiosis and mitosis?

Cell division can be achieved by either mitosis or meiosis. Cell division via mitosis is essential for growth and repair and occurs in nearly all cells in the body, whereas cell division by meiosis occurs in...
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Answered by Priyesh P. • Biology tutor
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Genetics: How does our genotype influence our phenotype?

The human genome consists of 46 chromosomes, specifically 44 autosomal chromosomes, similar in both males and females, and 2 gender specific sex chromosomes (X and Y). It has been known for many years, based...
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Answered by Phoebe V. • Biology tutor
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What is the difference between the humoral and cell-mediated immune repsonses?

The humoral repsonse removes the pathogenic microorganisms which don't enter the cells and requires antibodies produced by B lymphocyctes. Different B lymphocyte cells produce different antibodies, each of w...
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Answered by Lily C. • Biology tutor
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