SCIENCE TERM SIMPLE

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  Chromosomes are thread-like structures made up of DNA (deoxyribonucleic acid) molecules and proteins. They are found in the nucleus of every cell and carry the genetic information of an organism. The full content of chromosomes varies depending on the species. Humans, for example, have a total of 46 chromosomes, organized into 23 pairs. Each chromosome consists of a single, long DNA molecule tightly coiled and condensed around proteins called histones. The DNA molecule contains genes, which are segments of DNA that provide instructions for building and functioning of the body. Genes determine various traits and characteristics, such as eye color, hair texture, and susceptibility to certain diseases. The DNA molecule itself is composed of nucleotides, which are the building blocks of DNA. There are four types of nucleotides: adenine (A), thymine (T), cytosine (C), and guanine (G). These nucleotides pair with each other in a specific manner—A with T and C with G—to form a double he...

  Space refers to the vast, seemingly infinite expanse that encompasses everything in the universe. It is the three-dimensional extent in which all matter and energy exist, including galaxies, stars, planets, and other celestial bodies. Space is not merely empty; it is a dynamic entity with various components and phenomena. Universe: The universe refers to the entirety of space and everything within it, including all matter, energy, and the physical laws that govern them. It contains billions of galaxies, each composed of stars, planets, gas, dust, and other celestial objects. Galaxies: Galaxies are enormous systems consisting of billions or even trillions of stars, along with gas, dust, and other celestial bodies. The universe contains countless galaxies, and they come in different shapes and sizes, such as spiral, elliptical, and irregular galaxies. Stars: Stars are massive, luminous balls of hot gas that emit light and heat through nuclear fusion processes. They are the building...

  Science is a systematic and organized approach to acquiring knowledge and understanding the natural world. It is a way of studying and investigating the universe, its phenomena, and the underlying principles that govern them. Science employs empirical methods, which involve observation, experimentation, and analysis, to formulate and test hypotheses, draw conclusions, and develop theories or models that explain and predict various aspects of the world. The primary goal of science is to generate reliable and objective knowledge about the physical, biological, and social aspects of our environment. It seeks to uncover patterns, laws, and principles that can be used to explain and predict natural phenomena. Scientists utilize a combination of observation, experimentation, and logical reasoning to gather evidence and draw meaningful conclusions. The scientific method is a fundamental framework used in scientific investigations. It typically involves the following steps: Observation: ...