SCIENCE
VIRUS AND BACTERIA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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True
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False
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Either A or B
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None of the above
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Detailed explanation-1: -Bacteria are found almost everywhere on Earth and are vital to the planet’s ecosystems. Some species can live under extreme conditions of temperature and pressure. The human body is full of bacteria, and in fact is estimated to contain more bacterial cells than human cells.
Detailed explanation-2: -Germs live everywhere. You can find germs (microbes) in the air; on food, plants and animals; in the soil and water-and on just about every other surface, including your body. Most germs won’t harm you.
Detailed explanation-3: -Bacterial DNA is contained in one circular chromosome, located in the cytoplasm. Eukaryotes have several linear chromosomes. Bacteria also have two additional unique features: a cell wall and flagella.
Detailed explanation-4: -Answer. Answer: The cell shape is the characteristics of the bacterial species and bacteria are grouped under four categories based on their cell shape; spherical (coccus), rod-shaped (bacillus), comma-shaped (vibrium) and spiral (helical or spirillum). The bacterial cell does not have an oval shape.