Selina Concise Biology Class 10 ICSE Solutions Chapter 1 - Cell Cycle, Cell Division and Structure of Chromosomes
Selina Concise Biology Class 10 ICSE Solutions Cell Cycle, Cell Division and Structure of Chromosomes Selina Concise Biology Class 10 ICSE Solutions Cell Cycle, Cell Division and Structure of Chromosomes Exercise 1.1 A.1.The chromatin material is formed of (a) DNA only (b) DNA and Histones (c) Histones only (d) Nucleotides Solution A.1. (b) DNA and Histones A.2.The term “chromosomes” literally means (a) Inherited bodies (b) Twisted threads (c) Coloured bodies (d) Shining threads Solution A.2. (c) Coloured bodies B.1.Name the following: (a) The repeating components of each DNA strand lengthwise. (b) The complex structure consisting of DNA strand and a core of histones. (c) The type of bond which joins the complementary nitrogenous bases. (d) The three components of nucleotide. Solution B.1. (a) – Nucleotides. (b) – Nucleosome. (c) – Hydrogen Bond. (d) – Phosphate, Sugar and Nitrogenous base. C.1.What is the difference between ch...