Botany - Cell Cycle and Cell Division Question with Solution | TestHub
BotanyCell Cycle and Cell DivisionMitosisEasy2 minPYQ_2012
BotanyEasysingle choice
Beads on string like structures of are seen in , which further condense to form chromosomes in C stage of cell division. A B C
Options:
Answer:
A
Solution:
The "beads-on-a-string" structure is seen in electron microscope of isolated metaphase chromosomes. The chromonema form the gene bearing portions of the chromosome. Basically chromonema is made up of nucleosome chains. Nucleosome chain gives a beads on string appearance under electron microscope. Nucleosome is the fundamental packaging unit in eukaryotic chromosomes.
Stream:AIIMSSubject:BotanyTopic:Cell Cycle and Cell DivisionSubtopic:Mitosis
⏱ 2mℹ️ Source: PYQ_2012
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