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lacOc mutation affects

Operator-constitutive mutations lacOc affect cis regulatory DNA element rather than diffusible trans-acting protein fact...

Ref: Alberts Fig 7-38 lacOc mutation affects operator; NCBI - lacOc operator constitutive cannot bind repressor cis-dominant

19 Aug 2026

Plasmodesmata are best described as: (June 2023)

Plant cytoplasmic channels, is consistent with established principles of cell signaling, receptor pharmacology and cellu...

Ref: NCERT Biology Class 11–12 Alberts et al Molecular Biology of the Cell Lodish et al, Molecular Cell Biology Cooper & Hausman, The Cell Abbas et al., Cellular and Molecular Immunology (for immunology sections)

18 Aug 2026

Latest from the blog

Strategies, study plans, and mentor tips

Protein 30 May 2023

Secondary Structure of Proteins

The nature of the bonds in the peptide backbone plays an important role here. Within each amino acid residue are two bonds with reasonably f...

Protein 26 May 2023

Protein-Folding Dynamics

We know that the sequence of amino acids ultimately determines the three-dimensional structure of a protein. We also know that proteins can...

Biotechnology 03 May 2023

Cell Fusion- Types and Significance

Cell Fusion Until recently, cells were thought to be integral and discrete components of tissues, and their state was determined by cell dif...

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