Secondary sewage treatment is mainly a
Secondary sewage treatment mainly biological process, activated sludge, microbes degrade organic matter.
Ref: NCERT Geography — Population Studies, Census of India
#biological processes
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Epithelial–mesenchymal transition (EMT) is characterized by
Loss of cell–cell adhesion, is consistent with established principles of cell signaling, receptor pharmacology and cellular regulation. Experimental measurements of binding parameters, genetic loss-of-function studies and pharmacological interventions all converge on the same interpretation. Related options address neighboring concepts but do not satisfy the precise criterion stated in the question.
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)
Cytochrome P450 enzymes mainly function in:
Answer: B) Terpene skeleton modification. For PSS- Sec G- Sec metabolites, remember the key idea and you’ll land on this option; the distractors usually swap cause and effect or confuse similar terms. Avoid: A) Isoprene synthesis; C) Glycoside cleavage; D) Lignin polymerization. Name the process first, then pick the option that describes it — don’t reverse cause and effect.
Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.
