Which are the smallest living cells known and can survive without oxygen?

Solution : Mycoplasma is the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen.

Which is the smallest living cell and can live without oxygen?

Mycoplasma is the smallest living cell which lacks cell wall and can survive without oxygen. They are facultative anaerobes, so they can switch to anaerobic mode in the absence of oxygen except for M. pneumoniae, which is a strict aerobe.

Which is the smallest living cell in world?

The smallest cell is Mycoplasma (PPLO-Pleuro pneumonia like organims). It is about 10 micrometer in size. The largest cells is an egg cell of ostrich.

What is the smallest free living cell?

Oregon State University and Diversa Corporation have discovered that the smallest free-living cell, known as SAR11, also has the smallest genome.

Which is the smallest living cell which is devoid of cell wall?

Mycoplasma is the smallest living cell which is devoid of cell wall.

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Why can mycoplasma survive without oxygen?

Mycoplasma are the facultative anaerobes, they grow best where there is little or no oxygen. They produce the energy i.e ATPs by the fermentation process which does not require oxygen.

What is the largest cell in the human body?

The human egg (ovum) is the largest cell in the body and a nerve cell is the longest cell in the human body.

Which is the longest cell?

Complete Answer:

– In the human body, the nerve cell is the longest cell. Nerve cells are also called neurons that are found in the nervous system. They can be up to 3 feet long.

Which is the longest cell in the world?

Answer. Answer: If talking of human body, largest cell is OVUM or egg cell owing to its diameter however nerve cells are the longest cell. And all over the world the largest and longest cell are the NERVE CELLS Giant Squid and Colossal Squid.

Which bacteria has smallest cell?

Pelagibacter ubique. Pelagibacter ubique is one of the smallest known free-living bacteria, with a length of 370 to 890 nm and an average cell diameter of 120 to 200 nm. They also have the smallest free-living bacterium genome: 1.3 Mbp, 1354 protein genes, 35 RNA genes.

What is the lowest life form?

A nanobe is a tiny filamental structure first found in some rocks and sediments. Some scientists hypothesize that nanobes are the smallest form of life, 1/10 the size of the smallest known bacteria.

What is the smallest virus in size?

Structures such as these are unique to the bacteriophages. Animal viruses exhibit extreme variation in size and shape. The smallest animal viruses belong to the families Parvoviridae and Picornaviridae and measure about 20 nm and about 30 nm in diameter, respectively.

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How small is the tiniest virus?

For the first time – scientists have detected one of the smallest known viruses, known as MS2. They can even measure its size – about 27 nanometers. For comparison’s sake, about four thousand MS2 viruses lined side-by-side are equal to the width of an average strand of human hair.

Who discovered living cell?

The first man to witness a live cell under a microscope was Anton van Leeuwenhoek, who in 1674 described the algae Spirogyra. Van Leeuwenhoek probably also saw bacteria.

Which statement is correct for mycoplasma?

So, the correct answer is ‘They are smallest, disease-causing thin walled organisms’. Was this answer helpful?

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