LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

CELL BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following lists structure from smallest to largest?
A
bacteria, virus, protist
B
protist, bacteria, virus
C
virus, protist, bacteria
D
virus, bacteria, protist
Explanation: 

Detailed explanation-1: -Among all the microbes, viruses are the smallest. Viruses are living only inside the host body and are non-living outside. Viruses are pathogens and cause diseases in living organisms. Viruses have the smallest size such as 0.02 microns.

Detailed explanation-2: -In order from smallest to largest, the answer is atoms, proteins, ribosomes, viruses, mitochondria, a eukaryotic cell.

Detailed explanation-3: -Thiomargarita namibiensis may grow to be as large as 0.75mm in diameter. This makes them some of the largest bacteria ever discovered. Note: 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.

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