Practice question
Question
Phytochrome is classified as which type of protein?
Explanation
Pick B: Chromoprotein. Thinking through PHYTOCHROME step by step rules out the lookalikes and leaves Chromoprotein. Skip these: A) Flavoprotein; C) Lipoprotein; D) Glycoprotein. For hormones and genes, match the molecule or gene to its real role, not a neighboring pathway.