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TLS Online TPP Program

#Question id: 37893

Tracheary element differentiation is considered an irreversible process. What is the primary cytological reason for this? 

#Plant Biotechnology
  1. The formation of a secondary cell wall. 
  2. The loss of nuclei and cytoplasm. 
  3. The permanent arrest of the cell cycle in the G1 phase. 
  4. The accumulation of lignin.
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TLS Online TPP Program

#Question id: 3654

#Biochemistry

Cleavage of the cyclobutane ring of pyrimidine dimers by ______________ restores the original DNA structure.
TLS Online TPP Program

#Question id: 3654

#Botany

Cleavage of the cyclobutane ring of pyrimidine dimers by ______________ restores the original DNA structure.
TLS Online TPP Program

#Question id: 3654

#Zoology

Cleavage of the cyclobutane ring of pyrimidine dimers by ______________ restores the original DNA structure.
TLS Online TPP Program

#Question id: 3654

#Life Sciences

Cleavage of the cyclobutane ring of pyrimidine dimers by ______________ restores the original DNA structure.
TLS Online TPP Program

#Question id: 3654

#Environmental Science

Cleavage of the cyclobutane ring of pyrimidine dimers by ______________ restores the original DNA structure.
TLS Online TPP Program

#Question id: 3661

#Biochemistry

______________ short fragment of DNA produced during replication of the lagging strand.