Class 11 Biology Transport in Plants: NCERT Solutions for Question 3

This page focuses on the detailed Transport in Plants question answers for Class 11 Biology Transport in Plants, addressing the question: 'Describe the role played by protein pumps during active transport in plants.'. The solution provides a thorough breakdown of the question, highlighting key concepts and approaches to arrive at the correct answer. This easy-to-understand explanation will help students develop better problem-solving skills, reinforcing their understanding of the chapter and aiding in exam preparation.
Question 3

Describe the role played by protein pumps during active transport in plants.

Answer

In plant cells, active transport occurs against the concentration gradient, i.e., from a region of lower concentration to a region of higher concentration. The process of active transport involves specific protein pumps. The protein pumps are made up of specific proteins called trans-membrane proteins. These pumps first make a complex with the substance to be transported across the membrane, using the energy derived from ATP. The substance finally gets liberated into the cytoplasm as a result of the dissociation of the protein–substance complex.

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