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CSIR NET Life Sciences - UNIT 2 part B
Practice life sciences questions using real examples from 2012.
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Passive Transport: Osmosis in Animal and Plant Cells
Osmosis is the movement of water across a semipermeable membrane from a region of lower solute concentration to higher concentration. Tonicity refers to how an extracellular solution affects a cell’s water content, described as...
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Passive Transport: Diffusion, Facilitated Diffusion & Osmosis
Passive transport includes diffusion, facilitated diffusion, and osmosis, all of which move substances down their concentration gradients without energy input. Small, uncharged molecules like oxygen and carbon dioxide diffuse freely,...
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Eukaryotic Cell Cycle Regulation in 5 minutes
The cell cycle is a highly regulated process of eukaryotic cell division involving interphase (G1, S, G2 phases) for growth and DNA replication, followed by mitosis for chromosome segregation and cell division. Progression through the...
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Symplast Apoplast and Vacuolar Pathway
Plants absorb water from the soil using root hairs, and transport it through three main pathways: vacuolar, symplast, and apoplast. In the vacuolar pathway, water moves through vacuoles and plasmodesmata but faces high resistance. The...
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Luria Delbruck Experiment (Fluctuation Test)
The 1943 Luria–Delbrück experiment, known as the "Fluctuation Test," demonstrated that mutations in bacteria occur randomly rather than as a directed response to environmental stress, such as viral infection. By showing wide variation in...
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Gram Staining
Gram staining is a differential staining method that classifies bacteria as Gram-positive (purple) or Gram-negative (red) based on their cell wall structure and composition. Gram-positive bacteria retain crystal violet due to a thick,...
Neuro Transmissions
What is Action Potential?
Ready for action? Time to get your neurons firing with some action potential. If you thought resting potential was tough to understand, it seems like action potential is that much more difficult. However, thanks to Alie Astrocyte, we...
The Business Professor
Recognize Inventory Sales - Journal Entries
Recognize Inventory Sales - Journal Entries
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Passive transport: diffusion and osmosis
Passive transport is a naturally occurring phenomenon that allows us to keep things balanced in our cells. Simple diffusion, facilitated diffusion and osmosis are known types of passive transport.
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Fluid mosaic model of the cell membrane
The plasma membrane is a complex structure made up of macromolecules that come together to form a fluid mosaic. In this video, we will look at the structure, properties and functions of the fluid mosaic model.
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The Importance and Wonders of DNA: Exploring its Role in Life and Science
This video provides a brief and engaging overview of DNA and its significance in biology. It explains how DNA is the genetic material that determines the unique characteristics of living organisms, how it is passed down through...
Science Buddies
Breast Cancer Diagnosis with Python & KNN: A Step-by-Step Coding Tutorial
Explore how machine learning can diagnose malignant and benign breast tumors in this AI science project
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Plasma membrane: the security guard of the cell
The plasma membrane or cell membrane is an intricate structure made of macromolecules that work together to protect the cell. Think of it as the security guard of the cell - letting important substances in, and letting others out.
Science Buddies
Tic-Tac-Toe AI Player using the Minimax Algorithm: A Step-By-Step Python Coding Tutorial
Explore how changing the depth that the Minimax algorithm explores can change the decisions that it makes
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Evolution & Classification of Life | From Single Celled Bacteria to Humans
Evolution & Classification of Life | From Single Celled Bacteria to Humans
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Phospholipids: types, structure and function
What exactly are phospholipids, and how do they contribute to the structure and function of cell membranes? In this video, we will explore the world of phospholipids, including their chemical structure, properties, and functions in the...
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Viruses vs Bacteria: What's the difference
Viruses and bacteria have their own set of characteristics that distinguish them. But what are those differences? Well, in this video, we will cover the main differences between those 2 groups of microbes.
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Cytoskeleton: structure and function
Microtubules, intermediate filaments and microfilaments are all part of the cell's skeleton, which is also known as the cytoskeleton. In this video, we will talk about the structure and function of the cytoskeleton.
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I WONDER - How Do Cell Communicate?
This video is answering the question of how do cell communicate.
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Exploring the Science of Aging and Longevity
This video explores the advancements in scientific and medical research that are pushing the boundaries of life itself. It delves into the concept of aging, the theories behind it, and the factors that contribute to it. The video also...
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Ribosomes: structure and function
Ribosomes are cell organelles with a peculiar structure and function. In this video, will talk about many things ribosomes, especially their roles in protein production and the differences between the types of ribosomes.
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I WONDER - What Is Genetics?
This video is answering the question of what is genetics.
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Whole Grains
Fast Food Freddy launches bionic pizza containers all over the city with his newest unhealthy creation inside — The Pizzanator! Professor Fizzy and the Lunch Lab gang investigate delicious whole-grain alternatives to white flour.