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Gram positive bacteria have cell walls composed of thick layers of peptidoglycan.
Answer:
The correct answer is: Actinobacteria
Explanation:
Actinobacteria is a phylum of the Gram-positive aquatic or terrestrial bacteria that have high concentrations of guanine and cytosine in their DNA.
These bacteria are economically important to the human beings as they produce bioactive metabolites used in producing medicines and are also responsible for the <u>decomposition of organic matter of dead organisms in the soil.</u>
<u>Therefore, Actinobacteria will be the best bacteria to be used in the laboratory.</u>
Answer:
The mantle is solid.
Explanation:
The mantle is the mostly-solid bulk of Earth's interior. The mantle lies between Earth's dense, super-heated core and its thin outer layer, the crust. The mantle is about 2,900 kilometers thick, and makes up 84% of Earth's total volume.