Tag: Define
Is Matter Around Us Pure / Science Facts

Solute, Solvent and Solution- Definition, Difference between, Characteristics, Examples

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A solution is a homogeneous mixture of solute and solvent. Solutes dissolve in solvents without settling, forming a single-phase system. Solvents determine the solution’s state and aid dispersion. Solubility depends on factors like temperature, pressure, and polarity. Types of solutions and solvents vary by state and composition. Examples include saltwater, soda, alloys, and perfumes.

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Class 9 / Is Matter Around Us Pure / Notes / Science

Chapter 2: Is Matter Around Us Pure?-Class 9 – Simplified notes

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Matter around us is mostly mixtures, not pure substances. Mixtures can be homogeneous or heterogeneous. Solutions, suspensions, and colloids differ in properties. Pure substances include elements and compounds, with fixed composition and characteristics. Physical and chemical changes alter matter differently. Separation methods help isolate components in mixtures, highlighting the difference between mixtures and pure substances.

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Chapter 11 - Chemical Effects of Electric Current / Class 8 / Science

Chemical Effects of Electric Current Class 8 – Simplified Detailed Notes

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This detailed notes explains the chemical effects of electric current for Class 8 students. It covers conductors, insulators, liquid conductivity, and the effects of electricity such as heating, magnetic, and chemical reactions. The notes also include real-life examples, practical experiments, and safety tips to enhance understanding.

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Biology Concepts / Science Facts

Plasmids – Structural Details, Functional Roles, and Applications in Genetic Engineering

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Plasmids are small, circular DNA molecules found in bacteria, separate from chromosomal DNA. They have unique features such as antibiotic resistance and toxin production. Plasmids come in various types like F-plasmids, R-plasmids, and Col plasmids. They replicate independently and facilitate gene transfer through conjugation. Plasmids are also key in genetic engineering and biotechnology.

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Biology Concepts / Science Facts

8 Key Differences Between Plasmid DNA and Chromosomal DNA

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Plasmid DNA is extrachromosomal, found only in prokaryotes, and can replicate independently. It’s small, circular, and carries non-essential genes, often used in recombinant DNA technology. In contrast, chromosomal DNA forms the main genetic material in both prokaryotes and eukaryotes, is essential for development and reproduction, and varies in shape and size. It replicates with the genome and is transferred through cell division.

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Biology Concepts / Science Facts

5 Key Differences Between Gene and Genome

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Understand the key differences between a gene and a genome in this clear and concise guide. Learn how genes provide instructions for specific proteins, influencing traits and functions, while a genome encompasses an organism’s complete set of genetic material. Essential reading for understanding genetics and molecular biology.

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Differences between Chromosome and Chromatin
Biology Concepts / Science Facts

5 Key Differences between Chromosome and Chromatin

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Differences Between Chromosome and Chromatin highlight crucial aspects of genetic organisation. Chromatin, comprising DNA and histones, forms loose fibres in the nucleus, facilitating DNA replication and transcription. In contrast, chromosomes, condensed from chromatin during cell division, are structured, paired, and visible under a light microscope, ensuring accurate genetic distribution. These differences are essential for understanding cellular genetics.

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Genes and Chromosomes
Biology Concepts / Science Facts

4 Important Differences Between Genes and Chromosomes

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The differences between genes and chromosomes are crucial in genetics. Genes are DNA segments coding for specific proteins crucial for cell functions. Chromosomes, thread-like structures in the cell nucleus, contain many genes and ensure DNA’s accurate inheritance during cell division. Understanding their distinct roles and structures helps elucidate genetic transmission and function.

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Biology Concepts / Science Facts

6 Important Differences Between DNA and Chromosomes

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The differences between DNA and chromosomes are foundational in genetics. DNA, a double helix structure made of nucleotides, carries genetic instructions vital for life. Chromosomes, composed of DNA and proteins, organise this genetic material within the nucleus, facilitating gene regulation and ensuring DNA’s accurate transmission during cell division. Understanding these differences clarifies their distinct functions and roles in heredity.

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