Following are true about head of T4 phage EXCEPT:
Correct answer: D. An oval structure
- A. Hexagonal structure
- B. Pyramidal structure
- C. Prism shaped structure
- D. An oval structure
Explanation
Answer is "An oval structure"Explanation: The head of bacteriophage is an elongated, pyramidal, hexagonal, prism shaped structure, to which straight tail is attached.The head of T4 phage is not oval. It is a prolate icosahedron, which means that it is shaped like a sphere that has been stretched out along one axis. The head of T4 phage is about 50 nanometers in diameter and 100 nanometers long.
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Biological classification uses taxonomic ranks, binomial nomenclature and shared characteristics to organize life into kingdoms. The major groups include prokaryotes, protists, fungi, plants and animals, with comparisons based on cell type, cell wall, nutrition, body organization, reproduction and evolutionary relationships; prokaryotes lack a membrane-bound nucleus.
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