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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: 132

#Botany

Proline is distinct among the 20 commonly found amino acids because
TLS Online TPP Program

#Question id: 133

#Botany

Tyrosine and tryptophan are less hydrophobic than phenylalanine because
TLS Online TPP Program

#Question id: 134

#Botany

Ultraviolet (UV) light can be used to estimate protein solution concentrations because
TLS Online TPP Program

#Question id: 2704

#Botany

Which of the following regions promote histone – DNA association?
TLS Online TPP Program

#Question id: 2705

#Botany

With respect to end terminal modification of the histone tail which of the following options is true?
TLS Online TPP Program

#Question id: 2706

#Botany

Which of the following is a function of a modified histone tail?