Question

question 7
1 pts
current classification of prokaryotes is primarily based on

morphology of flagella.
sequencing of dna.
type of colony formation.
ability to stain the cell wall with gram stain.
occurrence of transverse binary fission.

Explanation:

To determine the primary basis for classifying prokaryotes, we analyze each option:

• Morphology of flagella: Flagella structure is not the main classification basis.
• Sequencing of DNA: Modern prokaryote classification relies heavily on genetic (DNA) sequencing to understand evolutionary relationships.
• Type of colony formation: Colony formation type is not a primary classification factor.
• Ability to stain with Gram stain: Gram staining (based on cell wall) was used historically but not the primary modern basis.
• Occurrence of transverse binary fission: Binary fission is a common reproduction method, not a classification basis.

So, DNA sequencing is the primary basis now.

Answer:

B. sequencing of DNA