Trans-acting factors refer to proteins that regulate the expression of another gene: NEET Biology MCQ
Last updated: July 30, 2026
Reviewed by MedQGo Editorial Team | Last updated: July 30, 2026
Trans-acting factors refer to
Aregulatory proteins that have inhibitory functions
Bproteins that activate their own genes
Cproteins that regulate the expression of another gene
Denzymes that recognize and bind to DNA sequences
Correct answer: C. proteins that regulate the expression of another gene
Trans-acting factors are regulatory proteins that can affect the expression of other genes, not necessarily by activating them. They do not refer to RNA polymerase or enzymes that directly interact with DNA.
Free PDF sample
Get NEET Biology MCQs as a chapter-wise PDF.
Join early access for a free MCQ sample with answers and NCERT-aligned explanations.