In the previous article, we explored how reproductive isolation can cause one ancestral population to split into two distinct species- a process called speciation. But surviving is only one of
Category: Student’s corner
Crack the Question: Week 22 (Cell Biology)Crack the Question: Week 22 (Cell Biology)
Q1. Source: CSIR NET JUNE 2015 The key determinant of the plane of cytokinesis is the position of: a. Chromosomes b. Central spindle c. Centrioles d. Pre-prophase band Explanation The
Theories of Speciation: How One Species Becomes TwoTheories of Speciation: How One Species Becomes Two
Over the past few weeks, in Part I: Foundations of Evolution, we explored the forces that shaped life on Earth. We discovered how drifting continents reshaped habitats, how Charles Darwin
Crack the Question: Week 21 (Biochemistry)Crack the Question: Week 21 (Biochemistry)
Q1. Source: CSIR NET June 2025 The reactions of the urea cycle occur in two different cellular compartments and generate the following intermediates. A. Arginino-succinate B. Citrulline C. Ornithine Which
Crack the Question – Week 20: Methods in BiologyCrack the Question – Week 20: Methods in Biology
Q1. Source: ICMR JRF 2020 Microinjection is a method used to: a. Produce sticky ends of DNA b. Provide protection against pathogens c. Purify the DNA d. Inject recombinant DNA
Neo-Lamarckism: Was Lamarck Completely Wrong?Neo-Lamarckism: Was Lamarck Completely Wrong?
In the previous articles of this series, we explored how continental drift shaped Earth’s biodiversity, how Charles Darwin explained evolution through natural selection, and why “survival of the fittest” is