Question

Which Gram positive group has a high G + C ratio?

Actinobacteria

Firmicutes

Clostridium belongs in which group of Gram positives?

Actinobacteria

Firmicutes

Actinomyces belongs in which group of Gram positives?

Actinobacteria

Firmicutes

Azospirillum belongs in which subphylum of Proteobacteria?

Gamma Beta

Alpha Delta

Answer 1

Ans -

1- actinobacteria.

Avtinobacteria are high GC gram positive bacteria meaning this class has more ghan 60% of guanine and cytosine nucleotides .

2- frimicutes

Clostridium belongs to phylum frimicutes , which is gram positive , anaerobic , spore forming bacteria . Frimicutes are mostly found in the gut as resident flora and are involved in metabolism and energy functions.

3- actinobacteria

The phylum of actinomycetes in actino bacteria.

4- alpha proteobacteria.

There are 5 types of proteobacteria , alpha , beta , delta , gamma , epsilon . Alpha proteobacteria are gram Negative , live in less nutritional environment hence oligotrophs and includes other pathogenic bacteria such as chlamydia etc.

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