BOT2603 Assignment 2 (COMPLETE ANSWERS) Semester 1 2026 (328472) - Due 9 April 2026

Plant Physiology, Water Relations and Plant Nutrition - BOT2603 Assignment 2 Semester 1 2026 (Unique Number: 328472) - Due 9 April 2026; 100 % TRUSTED workings, Expert Solved, Explanations and Solutions. For assistance call or W.h.a.t.s.a.p.p us on ...(.+.2.5.4.7.7.9.5.4.0.1.3.2)........... Semester 1 Assignment 02 Due date: Thursday, 9 April 2026, 11:00 PM Unique number for this assignment: 328472 INSTRUCTIONS • Avoid using AI to generate your answers; you will get zero for your answers. • Do not plagiarize. Always paraphrase your answers where possible (do not copy directly from the source) • Include a list of all the sources you have used (Reference list)/ Acknowledge all the sources you have used for this assignment. • Kindly submit one pdf file Question 1 1.1 Briefly explain the following terms: 1.1.1. Essential element 1.1.2. Carbon partitioning 1.1.3. Sink activity 1.1.4. Critical concentration 1.1.5. Mucigel 1.2 Define mycorrhizae, citing the two main classes and the differences between them. 1.3 Explain the composition and role of humus in soil. Question 2 [20] (10) (5) (5) [30] 2.1 Give FIVE mineral nutrients that participate in enzyme activity and describe the ways in which each one influences how enzymes function. (10) 2.2 Compare the mechanisms of carrier proteins, channel proteins and ATPase proton pumps. 2.3 Describe the radial transport of water and solutes through the apoplast and symplast of the root to the xylem. (10) (10) [20] Question 3 3.1 Explain how commercial chelating agents work (mechanism) with regard to iron deficiencies in limy soils. (10) 3.2 Describe the cytosolic sucrose synthesis pathway. Total: 70 marks © UNISA 2026