Biology, 26.07.2019 05:30 nathanstern21
During human digestion, the bolus enters the stomach through the esophagus via the lower esophageal sphincter. the stomach releases proteases and hydrochloric acid, which kills or inhibits bacteria and provides the acidic ph of 2 for the proteases to work. food is churned by the stomach through muscular contractions of the wall called peristalsis and the bolus is converted into chyme. according to the text, the stomach's environment is very acidic. how does this acid stay in the stomach?
Answers: 1
Biology, 21.06.2019 18:30
Select all the correct answers. lactobacillus is a bacteria that live inside humans. these bacteria live on the nutrients from our bodies. they to keep our gut clean and healthy. s. typhi is a bacteria that enter our bodies through contaminated food. this bacteria causes infections in the body. based on this information, which two statements about the association between these bacteria and humans are true? a. lactobacillus shares a parasitic relationship with humans. b. s .typhi shares a parasitic relationship with humans. c. both lactobacillus and s. typhi share a parasitic relationship with humans. d. both lactobacillus and s. typhi share a mutualistic relationship with humans. e. lactobacillus shares a mutualistic relationship with humans, and s. typhi shares a parasitic relationship multiply chrse
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Biology, 22.06.2019 02:00
The fish shown above is a tarpon. it is a fast-swimming and powerful open-water fish. its closest relatives, oddly, are burrow-dwelling conger eels that stay on the bottom. both eels and tarpon developed from snake-like larvae that float in the plankton during the first stages of life. once they mature, tarpon and eels are not found near one another in the ocean. the tarpon and the eel illustrate all of the following except
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Biology, 22.06.2019 09:00
What happens when waterās salinity increases? mass decreases. freezing point decreases. buoyancy of objects decreases. the amount of dissolved minerals decreases.
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Biology, 22.06.2019 12:30
When rutherford performed his metal foil experiment, he was surprised that most of the alpha particles
Answers: 1
During human digestion, the bolus enters the stomach through the esophagus via the lower esophageal...
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