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Biology
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Can you outline the process of respiration in humans

Respiration is the process by which organisms make the energy they need to function. We will discuss respiration in humans. Both humans and some species of plant are known as facultative aerobes - meaning...

Answered by Oliver P. Biology tutor
2070 Views

can you explain the process of muscle contraction

Muscle contraction essentially depends on the interaction between actin light chains and myosin heavy chains in muscle fibres. We will first consider light chains; these are made up of actin filaments, ar...

Answered by Oliver P. Biology tutor
2435 Views

What makes the alveolus adapted for efficient gas exchange?

The alveolus is the terminal component of the lung. The efficiency of gas exchange across its wall and into the blood is dependent on several factors including; adequate ventilation, adequate blood supply...

Answered by Helen B. Biology tutor
2657 Views

Name four components of an animal cell and describe their functions

Cell membrane - allows movement of molecules in and out of cellNucleus - contains DNA/genetic informationCytoplasm - water based 'filling' of the cellMitochondria - creates energy for the cell via respira...

Answered by Ben S. Biology tutor
2016 Views

Explain how proteins are synthesised through the processes of transcription and translation.

To fully understand how proteins are synthesised, we first need to understand the fundamentals of protein structure. If this is a concept you're comfortable with, feel free to skip this paragraph. Protein...

Answered by Tabitha T. Biology tutor
2073 Views

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