CMMB 343 Certification Exam with 100% Correct Answers | Verified | Latest 2024 Version

CMMB 343 Certification Exam with 100% Correct Answers | Verified | Latest 2024 Version There are as many microbial cells in the human body as there are: human cells. However, ORFs in the microbiome outnumber ORFs in the human genome 95% of the microbes on humans live in: The GI tract (gastrointestinal tract). Different microhabitats support different... ...microbes, depending on temperature, pH, oxygen, etc. Each microhabitat is not homologous (even the same microhabitat can be different on different parts of the body). Microhabitat Specific areas where microbes grow (ex. skin, GI tract) Microbiota All the microbes in a specific microhabitat. Microbiome Entire collection of microbes living in all of the microhabitats. The GI microbiota is dominated by: gram-negative bacteria How does the human microbiome influence our bodies? - Microorganisms influence how we develop and grow. - Influences our health. Human microbiome research is focused on (3 things): - identifying microorganisms in each microbiota. - Identifying which ones influence our health and development. - Identifying how we can manipulate them to help treat disease. As the GI tract travels from the stomach to the intestine, it becomes increasingly (2 things): -increasingly anaerobic - increasingly neutral in pH (from acidic in stomach, to neutral) The major bacteria in the GI tract are: Fermentative bacteria like: Bacteroidetes, firmicutes, actinobacteria, proteobacteria Beneficial functions of the human microbiota (5 things): - Help digest carbohydrates for us (digestion) - Synthesize essential nutrients