Information technology (IT) can transform India into a knowledge-based economy in the following ways:
Enhanced Education Access: IT enables e-learning platforms, bridging the gap between rural and urban education systems.
Boosting Research and Innovation: IT supports data analysis, artificial intelligence, and innovation, fostering advancements in various sectors.
Efficient Governance: IT facilitates e-governance initiatives, improving transparency and citizen engagement.
Global Competitiveness: IT creates opportunities in the global market by strengthening India's service exports and tech industry.
Draw a rough sketch for the curve $y = 2 + |x + 1|$. Using integration, find the area of the region bounded by the curve $y = 2 + |x + 1|$, $x = -4$, $x = 3$, and $y = 0$.
Study the given molecular structure of double-stranded polynucleotide chain of DNA and answer the questions that follow. 
(a) How many phosphodiester bonds are present in the given double-stranded polynucleotide chain?
(b) How many base pairs are there in each helical turn of double helix structure of DNA? Also write the distance between a base pair in a helix.
(c) In addition to H-bonds, what confers additional stability to the helical structure of DNA?