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How are proteins produced?

Proteins are comprised by amino acids and the order of these amino acids determines the type of protein. This order is coded by the sequence of DNA bases. Transcription & translation : In the nucleus, DN...
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Answered by Gina V. • Biology tutor
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What is the function of mitochondria?

Mitochondria is an organelle responsible for providing energy. Mitochondria releases energy through the chemical process of aerobic cellular respiration, where one molecule of glucose can be broken down (oxi...
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Answered by Natalia F. • Biology tutor
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Explain how blood glucose levels are controlled in people who do not have diabetes

Blood glucose levels are controlled by homeostasis. When people eat foods that contain a lot of starch/sugar, their blood glucose will rise above a normal level. This will be detected by cells in the pancrea...
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Answered by Salwa R. • Biology tutor
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Describe the process of digestion in the mouth.

Food is broken down mechanically by chewing. Saliva secreted from the salivary glands contains amylase which breaks down starch to maltose.
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Answered by Emmanuel O. • Biology tutor
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What are the structural differences between eukaryotic and prokaryotic cells?

Size: prokaryotic cells tend to be smaller. Outer layers: prokaryotic cells have a cell membrane surrounded by cell wall, while eukaryotic cells have a cell membrane but only plants and fungi have a cell wal...
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Answered by Alex G. • Biology tutor
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