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Describe and explain the role of inspiratory and expiratory muscles during normal breathing

The main muscle of normal quiet breathing is the diaphragmDuring Inspiration, it contracts which causes it to flatten. This increases the volume of the thoracic cavity and so the pressure decreases. This all...
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Answered by Symran D. • Biology tutor
3108 Views

How does the Calvin Cycle work?

To answer this question, I would definitely use a diagram so that they can clearly see that this is a cycle and it will probably then use the diagram to explain each step. The Photosynthesis equation CO2 + W...
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Answered by Elva K. • Biology tutor
7143 Views

What is a phospholipid and how does it form part of the cell membrane?

The cell membrane is a complex material made up of three main components: the phospholipid bilayer, proteins, and cholesterol. The tadpole-shaped phospholipid is made up of a phosphate head attached to a gly...
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Answered by Joseph C. • Biology tutor
4709 Views

What is the Hardy-Weinberg equation and what is it used for?

The Hardy-Weinberg equation is a model predicting allele frequency in an population, under the assumption that the frequency of alleles in a population does not change and will contribute equally to the next...
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Answered by Juliet C. • Biology tutor
4916 Views

Explain how 2 different types of mutations in a gene can result in the loss of an enzyme's function

The primary structure of a protein is determined by the sequence of amino acids in the polypeptide chain. This amino acid sequence is directly coded for by the sequence of codons in the mRNA. As the mRNA is ...
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Answered by Alexander W. • Biology tutor
3644 Views