Credit plays a vital role in rural development in the following ways:
Investment in Agriculture: Credit enables farmers to invest in seeds, fertilizers, irrigation, and technology, boosting agricultural productivity.
Rural Infrastructure Development: Credit facilitates the construction of roads, warehouses, and rural markets, enhancing connectivity and storage facilities.
Entrepreneurship Promotion: Access to credit supports small-scale industries and self-employment opportunities, fostering rural entrepreneurship.
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?