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Catalysts and Enzymes# - Biology

CatalystsFor a chemical reaction to happen, the reactants must first find one another in space. Chemicals in solution don& 39;t & 34;plan& 34; these collisions; they happen at random. In fact, in many cases, it& 39;s even more complicated. Cells sometimes use mechanisms to increase concentrations of reactants (we& 39;ll see some examples below), but this is rarely enough to drive reaction rates in a biologically relevant regime.
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5.4: How Earth Formed - Biology

What alien planet is represented by this picture?Would it surprise you to learn that the picture represents Earth? After Earth first formed about 4.6 billion years ago, it may well have looked like this. Instead of rivers of water, rivers of molten rock flowed over its surface. Life as we know it could not have survived in such a place.
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17.E: Bacterial Growth and Energy Production (Exercises) - Biology

These are homework exercises to accompany Kaiser& 39;s & 34;Microbiology& 34; TextMap. Microbiology is the study of microorganisms, which are defined as any microscopic organism that comprises either a single cell (unicellular), cell clusters or no cell at all (acellular). This includes eukaryotes, such as fungi and protists, and prokaryotes.
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Liver

Liver: Several Important Functions in the Body What It Is The liver is an organ that acts as an exocrine gland (releasing secretions) and an endocrine gland (releasing substances in the blood and lymphatic system). It is the largest gland in the human body. Functions The liver performs many important functions within our body, such as: storage and release of glucose, lipid metabolism, protein metabolism (conversion of ammonia to urea), synthesis of most plasma proteins, drug and hormone processing, destruction. of worn out blood cells and bacteria, emulsification of fat during the digestion process through bile secretion, etc.
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