Question

Gene expression in eukaryotic cells is controlled by transcription factors, which are ________.

A. carbohydrates
B. proteins
C. lipids
@petiteme,

Answer 1

B. proteins Proteins play major role in the expression of gene in eukaryotes. They are called transcription factors. Transcription is the copying of DNA sequence. Here proteins play as ON OFF factors for gene expression. They regulate the process of transcription