Education, self-education and personal growth - methods, lessons

Top articles

Root hairs are Functions of root hairs
Root hairs are Functions of root hairs

Complex metabolic reactions in plants are explained by the special structure of their body parts: root, stem, leaves, called vegetative organs. They are responsible for the processes of photosynthesis, transpiration, osmosis. In this work, we will study the structure and functions of such plant elements as root hairs. These are important structures that determine the absorption of water and mineral s alts from the soil

  • Biochemistry of enzymes. Structure, properties and functions
    Biochemistry of enzymes. Structure, properties and functions

    Millions of chemical reactions take place in the cell of any living organism. Each of them is of great importance, so it is important to maintain the speed of biological processes at a high level. Almost every reaction is catalyzed by its own enzyme. What are enzymes? What is their role in the cell?

  • Coronal holes on a star named Sun
    Coronal holes on a star named Sun

    Coronal holes are special areas on the surface of the Sun in the sphere of its corona, which arise due to disturbances in the natural processes inside the star. In these places, the temperature and surface density decrease

  • Ancient Armenia: history, dates, culture
    Ancient Armenia: history, dates, culture

    The history of Ancient Armenia has more than one thousand years, and the Armenians themselves lived long before the emergence of the nations of modern Europe. They existed even before the advent of the ancient peoples - the Romans and Hellenes

  • Archaic - is it a primitive culture or not? The meaning of the word "archaic"
    Archaic - is it a primitive culture or not? The meaning of the word "archaic"

    History of mankind is divided into many periods. It is believed that this method allows you to better understand the past. The oldest periods are called archaic. What does this concept mean and where it is used - you can find out from the article

Interesting articles

Bromothymol blue: description and application
Bromothymol blue: description and application

Bromothymol blue refers to laboratory chemicals. It is mainly used for titration of weak acids and alkalis. The color of the solution changes from yellow to intense blue. There are other areas of application

  • Structure and basic functions of cells
    Structure and basic functions of cells

    Cells, like the building blocks of a house, are the building material of almost all living organisms. What parts do they consist of? What is the function of various structures in the cell? You will find answers to these and many other questions in our article

  • A vacuole is a cavity filled with cell sap
    A vacuole is a cavity filled with cell sap

    Today we will find out what a cavity filled with cell sap is. That is, we will consider the appointment of vacuoles in the body. As you know, a cell is an elementary structural unit of everything that surrounds us. But it consists of a large number of organelles. One of them looks like a cavity filled with cell sap and is called a vacuole

  • Difference and similarity of plants and animals
    Difference and similarity of plants and animals

    The difference between plants and animals is not qualitative but quantitative. That is, it is expressed in the fact that certain structural features of certain organisms prevail. It is impossible to talk about their exclusive property of plants or animals

  • Structure, functions and properties of the cell
    Structure, functions and properties of the cell

    A whole galaxy of outstanding scientists of the past: Robert Hooke, Anthony van Leeuwenhoek, Theodor Schwann, Mathias Schleiden, with their discoveries in the field of nature study, paved the way for the formation of the most important branch of modern biological science - cytology. She studies the structure and properties of the cell, which is the elementary carrier of life on Earth

Editor's choice

Popular for the week

Popular for the day

The population of Paris. square of paris
The population of Paris. square of paris

Almost every person on the planet dreams of visiting the city of Paris. This is not surprising, because there is a unique charm and a unique atmosphere. Further in this article, we will talk in more detail about this amazing city, including its history and population

  • The origin of the word "penny". A story that few people know

    So what is the origin story of the word "penny"? There are four versions, four theories, which etymologists still argue among themselves

  • How to learn sign language easily and quickly? Step by step description and recommendations

    How to learn sign language? There have been deaf and dumb people at all times. It is more difficult for such people to adapt in society, it is more difficult to lead a full life. In the old days, in many European countries, deaf and dumb people were not considered normal. They were sent to psychiatric hospitals for compulsory treatment. Society treated them negatively

  • Curious and interesting facts from the life of Lomonosov

    Long ago, in 1711, on a cold November day in a small village in the Arkhangelsk province, Mikhail Lomonosov was born. His family was quite we althy. Father, Vasily Dorofeevich, was a Pomor peasant, and his mother, Elena Ivanovna, was the daughter of a churchyard mallow

  • Natural resources of the Urals (table)

    Uralsky district covers an area of more than 820 thousand square meters. km. Within its borders are the republics of Udmurtia and Bashkortostan, Chelyabinsk, Sverdlovsk, Orenburg and Kurgan regions, Komi-Permyatsky Autonomous District

Top articles

Popular for the month

Expert advice

▲