Question

the size of lactobacilli bacteria​

Answer 1

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Lactobacillus are generally nonmotile and can survive in both aerobic and anaerobic environments. L. delbrueckii, the type species of the genus, is 0.5 to 0.8 micrometre (μm; 1 μm = 10−6 metre) across by 2 to 9 μm long and occurs singly or in small chains. Examples of other well-characterized Lactobacillus species include L. acidophilus, L. brevis, L. casei, and L. sanfranciscensis.  The amount of lactic acid produced by different Lactobacillus organisms varies. In several species, including L. acidophilus, L. casei, and L. plantarum, glucose metabolism is described as homofermentative, since lactic acid is the primary byproduct, representing at least 85 percent of end metabolic products. However, in other species, such as L. brevis and L. fermentum, glucose metabolism is heterofermentative, with lactic acid making up about 50 percent of metabolic byproducts and ethanol, acetic acid, and carbon dioxide making up most of the other 50 percent. Certain other heterofermentative Lactobacillus organisms are relatively inefficient in their metabolism of glucose and must derive energy from other types of organic compounds, such as galactose, malate, or fructose.

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Answer 2

Answer:

1 um to 10 um

Explanation:

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