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- What specific biological compound(s) present in moringa oleifera leaves is/are responsible for its anti-microbial properties? You may refer to this article: https://www.frontiersin.org/articles/10.3389/fphar.2018.00108/full#T5All of the following are true about soil microorganismsEXCEPT:(a) They never affect or change the physical characteristicsof their soil microenvironment.(b) They are considered to be a part of the soil.(c) All major microbial taxonomic groups can be found insoil (bacteria, fungi, algae, protists, viruses).(d) Species of the genus Clostridium contain important hu-man pathogens found in soil.(e) They are important as decomposers in the carbon andnitrogen cycles.What advantages are there to using plant associated microorganisms rather than animal associated microorganisms for industrial purposes such as the production of xanthan gum?
- Describe the process of host: bacteria recognition, attachment and infection for Rhizobium and legumes. What does the Rhizobium gain from association with the plant? What does the plant gain?Visit: https://www.youtube.com/watch?v=ML6sCOcv9M8 1. Explain the differences between cilia and flagella noting the length and abundance of each. How do these differences contribute to the varied motility of each group? 2. Think about the two different trophic mechanisms of each group (mixotrophy vs heterotrophy). How do you think cilia and flagella are related to trophic mechanisms of these two groups?Of what value is the plant pathogen Agrobacterium?
- What are some factors which may limit the accurate study of soil microorganisms?What unique stresses does a microorganism on a leaf contend with that a microbe in the soil does not?Determine if the following statements are true and false. (a) Mycorrhizae exhibit non-symbiotic relatiionship.(b) All biotic relationships are symbiotic.
- What advantages are there to using plant associated microorganisms rather than animal associated microorganisms for industrial purposes?When it comes to the manufacture of antibiotics, what advantages do soil bacteria and fungus have? Antibiotics should only be used when absolutely necessary. Why?Which of the following pair is NOT a match? O Chlamydias - chalamedya trichomatis (causes STD that can lead to blindness) O Epsilon Protobacteria - Helicobacter pylori (human pathogen causing stomach ulcer) O Spirochetes - Treponea pallidum (causes Syphillis) O Alpha Protobacteria – Rhizobium sp. (N2 fixation in legumes) O Gram positive bacteria – Oscillatoria (filamentous phytoplankton)