EVERYDAY SCIENCE

SCIENCE

VIRUS AND BACTERIA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Spiral or corkscrew-shaped prokaryote
A
coccus
B
bacillus
C
spirillum
D
prokaryote
Explanation: 

Detailed explanation-1: -spirillum) shapes are curved-shaped bacteria which can range from a gently curved shape to a corkscrew spiral. Many spirilla are rigid and able to move. The length of rod-shaped bacteria is over 2–100 m. Spiral-shaped bacteria occur in one of three forms: vibrio, spirillum, and spirochete (Fig.

Detailed explanation-2: -Spiral and corkscrew-shaped prokaryotes are called spirilla.

Detailed explanation-3: -Spirilla – are spiral or corkscrew shaped bacteria.

Detailed explanation-4: -Members of the genus Spirillum are large, elongate, spiral shaped, rigid cells. Some have tufts of amphitrichous flagella at both poles. They are microaerophilic and usually found in stagnant freshwater rich in organic matter.

Detailed explanation-5: -spirochete, (order Spirochaetales), also spelled spirochaete, any of a group of spiral-shaped bacteria, some of which are serious pathogens for humans, causing diseases such as syphilis, yaws, Lyme disease, and relapsing fever. Examples of genera of spirochetes include Spirochaeta, Treponema, Borrelia, and Leptospira.

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