Dicot stem anomalous secondary growth occurs due to following reasons:

Intraxylary phloem

Absence of vessels in the xylem

Scattered vascular bundles in dicot stem

Presence of medullary bundles

Presence of cortical bundles

Secondary growth in monocot

e.g., Dracaena 

TLS Online TPP Program

#Id: 8063

#XL - Q Biochemistry

Tryptophan- Serotonin, auxin, operon, absorbance, indole ring, single codon

Tyrosine- RTK, PTB, Y15, Dopamine, Norepinephrine, Epinephrine, ITAM

Valine- Elastase, ValRS

TLS Online TPP Program

#Id: 8062

#XL - Q Biochemistry

Proline- helix, secondary structure, dihedral angles, stress, GRB2, collagen

Serine- O-linked oligosaccharides, Chymotrypsin, ATM ATR Kinases, Akt/PKB, Aurora kinases, TGF, PS, β-catenin, FOXO3a

Threonine- chiral centres, same as serine, T14

TLS Online TPP Program

#Id: 8061

#XL - Q Biochemistry

Lysine: Histones modification, Ubiquitin, Rubisco, pyrrolysine -UAG

Methionine: N-formylmethionine, S-adenosylmethionine, ethylene, Succinyl-CoA

Phenylalanine- F506, Chymotrypsin, phenylalanine hydroxylase

TLS Online TPP Program

#Id: 8060

#XL - Q Biochemistry

Histidine: Two component signalling, C2H2 zinc finger, Hemoglobin, His6-NiNTA column.

Isoleucine: AATS proofreading, RTK

Leucine: Toll like receptors, LRR, 

TLS Online TPP Program

#Id: 8059

#XL - Q Biochemistry

Glycine: Most conserved, G12 Ras, RGD, FG, 

Glutamine: NPQ, CAG repeat

GlutamatE: Neurotransmitter, VGLUT, Calmodulin, Nitrogen Assimilation

TLS Online TPP Program

#Id: 8058

#XL - Q Biochemistry

Aspartate: P type ATPase and two component signalling.

Asparagine: N linked Glycosylation.

Cysteine- Fd-Trx system, PDI, G3PD, Hh,