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How are phospholipids arranged in the cell membrane?

Phosopholipids have a hyrdophilic head which is orientated towards the cytoplasm or the interstice, and hydrophobic tales which are orientated towards the inside of the membrane, hydrophobic interactions hol...
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Answered by Henry K. Biology tutor
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An Enzyme has lost is function, it has become denatured. What can be the cause of denaturation? Why does the enzyme no longer function?

High temperature can cause the denaturation of proteins (enzymes), this is due to bonds in the proteins breaking. The shape of the active site no longer works, the lock and key mechanism is no longer achieve...
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Answered by Henry K. Biology tutor
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Explain the process of Oxidative Phosphorylation in cellular respiration

Oxidative Phosphorylation is the final stage in cellular respiration. It is an oxygen requiring process which involves the creation of energy, in the form of ATP, through the process of chemiosmosis. The mai...
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Answered by Olivia H. Biology tutor
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Describe how water moves through the cells of a plant

Water moves via osmosis; this process is where water moves from an area of higher water potential to an area of low water potential with no energy required to be inputed into the system.
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Answered by Jack H. Biology tutor
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Explain the role of the diaphragm when breathing in and out

The diaphragm is a large muscle located at the base of the lungs. It is naturally dome shaped when relaxed. When we need to inhale, the diaphragm will contract and flatten out. This increases the volume of t...
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Answered by Salko K. Biology tutor
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