Virchow was correct when he concluded that cells arise from others cells, i.e., new cells are born through the division of one cell into two through the process of mitosis. The need for new cells continues throughout our lives, but it is greatest in early life. A fertilized egg divides into two cells, which give rise to four, and those give rise to eight, and then to 16, and 32, and 64, and so on. In a fully grown adult, of course, the rate of cell proliferation is much less, and under normal circumstances, cell division in an adult takes place only when signals indicate the need to replace cells that have been lost, damaged, or worn out. Basically when your young so is your cell and ask you get older they get stronger
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Common mistakes and misconceptions. Anaerobic respiration is a normal part of cellular respiration. Glycolysis, which is the first step in all types of cellular respiration is anaerobic and does not require oxygen. However, if oxygen is not present, some organisms can undergo fermentation to continually produce ATP.
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im pretty sure there all correct im just not sure ab 2
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c) Because enzymes are proteins, they have a very specific order of amino acids that make up their structure (including the active site), meaning that only one key can fit in. The active site, or "lock" will recognise the substrate or "key" and will only let that one in and therefore can only catalyse a specific reaction.
b) the transcription process delivers information from the DNA to the protein-building machines.
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I'm sorry I could only these question, I don't understand 3 a) question, hope this helps!
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(b) Carrier proteins are more selective, often only allowing one particular type of molecule to cross. A specialized example of facilitated transport is water moving across the cell membrane of all cells, through protein channels known as aquaporins.
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