BLG1501 Assignment 2 (QUALITY ANSWERS) Semester 1 2025

This document contains workings, explanations and solutions to the BLG1501 Assignment 2 (QUALITY ANSWERS) Semester 1 2025. For assistance whats-app us on 0.6.8..8.1.2..0.9.3.4... Question 1 [20] 1.1 Write explanatory notes on the greenhouse effect. (7) 1.2 Distinguish between hypertonic, hypotonic, and isotonic solutions. (6) 1.3 Explain how edges and corridors can strongly influence landscape biodiversity. (7) Question 2 [28] 2.1 Compare in tabulated form the processes of fermentation and cellular respiration. (10) 2.2 Tabulate the key differences between mitosis and meiosis. (12) 2.3 Define predation, herbivory and parasitism. (6) Question 3 [32] 3.1 In sesame plants, the one-pod condition (P) is dominant to the three-pod condition (p). Normal leaf (L) is dominant to wrinkled leaf (l). A homozygote in one-pod condition and normal leaves are crossed with a homozygote in three-pod condition and wrinkled leaves. Use a Punnett square to predict the phenotypic and genotypic ratios of the F2 generation. (20) 3.2 List the four major threats to biodiversity and give an example of each. (12) Question 4 [20] 4.1 Explain the difference between cytokinesis in plant and animal cells. (6) 4.2 Distinguish between asexual and sexual reproduction. (4) 4.3 Explain the general process of transcription, including the three major steps of initiation, elongation and termination. (10)