Autotrophic organisms are able to independently produce energy for the implementation of all life processes. How do they make these transformations? What conditions are necessary for this? Let's find out
Secondary education and schools 2024, September
How are the life processes of bacteria that chemosynthesize various substances arranged and carried out? To answer these questions, it is necessary to understand a number of biological concepts
Of course, most people, without any dictionaries, can tell us and you about who the beloved is. But such an approach is not close to us. If there was an infinite supply of time, then we would love to listen to all these stories. But, unfortunately, time is limited, and its constant lack sets up a business mood. Therefore, consider the noun or participle "beloved", we will understand who can be called that, and then we will select synonyms
New Year's feast justifies overeating and excess. This is a turkey with a side dish, and salads with mayonnaise, and pies, and wine. Another holiday party at the office and so on for several days in a row. On average, over the New Year holidays, a person consumes over six thousand calories. So, in the topic of today's publication, we will analyze whether excess brings benefit or harm, the meaning of this word
In the modern world, "improvisation" is a term that has long gone beyond creativity. It is found in cooking and on television, in jurisdictions and even in science. What is the meaning of this word? How to decipher it and from what side is it best to consider?
Before talking about what types of geographical maps are, it is worth knowing the definition of this term. A geographical map is a conditional representation of the Earth's surface on a plane. When constructing it, the curvature of the earth's surface and its nature are taken into account. Both areas of a small area and the entire surface of the planet can be depicted. This makes it possible to see what is the size, shape and relative position of various objects
Amino acids are the main building material of any living organism. By their nature, they are the primary nitrogenous substances of plants, which are synthesized from the soil. The structure and functions of proteins and amino acids depend on their composition
One of the most common chemical elements included in the vast majority of chemicals is oxygen. Oxides, acids, bases, alcohols, phenols and other oxygen-containing compounds are studied in the course of inorganic and organic chemistry. In our article, we will study the properties, as well as give examples of their application in industry, agriculture and medicine
Italy is a relatively young country in southern Europe. In a single whole, its lands finally united only in 1871. Nevertheless, the history of the statehood of Italy is rooted in the distant past, during the existence of the Roman Empire
The flowering department is a large class of plants that form special shortened modified shoots - flowers in the course of their life. Unlike vegetative organs (roots, leaves and shoots), they, together with seeds and fruits, perform the most important generative functions. In this article, we will look at several serious topics, including the structure of a flower and the function of its main parts. We will discuss what flowers are, how they are classified and how they differ from each other
What is a radionuclide? There is no need to be afraid of this word: it simply means radioactive isotopes. Sometimes in speech you can hear the words "radionucleide", or even less literary version - "radionucleotide". The correct term is radionuclide. But what is radioactive decay? What are the properties of different types of radiation and how do they differ? About everything - in order
If you analyze any language system, you can observe the same phenomena: homonymy and polysemy, synonymy and antonymy. This is observed even in the vocabulary of absolutely any dialects. In this article, we will try to understand the characteristics of these phenomena
In the lessons of social science, they study the topic of a person's personality. Who is called a personality, we will tell in this article
To keep us he althy, strong, mentally and physically active for as long as possible, our diet must be correct and balanced. Proper nutrition is proteins, fats and carbohydrates taken into account when compiling the diet and received by the body in sufficient volume
Methodological work in preschool educational institutions is needed not only to control the work of teachers, but also to motivate them for further development. What methods are used to improve qualifications and in what areas is work being done?
The inconstant sign of the verb - what is it? You will find the answer to the question asked in the materials of the presented article. In addition, we will tell you about what forms this part of speech has, how it declines, etc
Employee, work, hard worker, work hard, hardworking, hardworking, workaholic, worker - all these are the same root and related words. In this article, we will talk about the noun "employee", recall its morphological characteristics and declension, and also select a synonym for it
Developing the ability to understand foreign speech by ear is one of the most important key points in learning English
The main and main reason for changing the time of day is the rotation of the Earth around its axis. Its simultaneous rotation around the Sun explains the change of seasons
Mercury sulfide, otherwise called cinnabar, is a very toxic compound. It is the most common mercury mineral. It has been used since antiquity as a dye. But during processing, it can release toxic compounds and cause poisoning
Do you want to amuse the child and cheer him up? Then riddles about a frog are what you need. A fascinating journey into the world of sea and lake inhabitants, will swirl the child in a whirlpool of pleasant emotions
Behind the windows is the 21st century, but you can still hear how people teach each other with the help of folk wisdom, which has a long history. “Hurry, you will make people laugh,” they say to the hasty ones. “And there is a hole in the old woman” - this is how they console people who have failed
Generalization of pedagogical experience requires the development of a single evaluation criterion. First of all, it is necessary to identify signs showing the level of qualification, that is, what is the overcoming of pedagogical problems and tasks by the educator
In the old days, in the 19th century, the expression "muslin lady" appeared. It meant girls who are not adapted to life. Perhaps they were educated, but they did not know how to do anything. Today we will analyze the history, meaning and examples
Today we'll talk about what is familiar to an artist, while others are either embarrassed or amazed. In the zone of special attention is the question of how to spell "applause"
In the modern world, it is necessary to revive the prestige of knowledge as a true we alth of a person, allowing him to realize his abilities, acquire a profession of interest to him, and work successfully. The craving for knowledge is inherent in people from early childhood. But it is one thing to strive for them, quite another to get what you want. And the main goal of the teacher is the transfer of knowledge and the development of the ability to obtain it independently
Pedagogical communities are a special form of organizing virtual interaction. Participation in them allows specialists located in different regions of the country and abroad to exchange experience, solve various issues, realize their potential, expand their knowledge
In the article we will tell you what the expression "slow down" means. Quite often it is used not in the meaning that is the main one. Everything else you will learn by reading the article. It is short but very informative
What are saprophytes? From a biology course, not everyone will remember this definition. And they are all around us. Should they be afraid? What it is? What is the difference between saprophytes and parasites? Let's find out about all this
The concept of induced electric current. Magnetic field and its properties. The discovery of the phenomenon of electromagnetic induction and the experiments of Michael Faraday. Left hand rule for determining the direction of the induced current. The phenomenon of self-induction. The use of electromagnetic induction in technology
The section of physics that studies the features of the movement of liquid media is called hydrodynamics. One of the main mathematical expressions of hydrodynamics is the Bernoulli equation for an ideal fluid. This article is devoted to this topic
Modern machines have a fairly complex design. However, the principle of operation of their systems is based on the use of simple mechanisms. One of them is the lever. What does it represent from the point of view of physics, and also, under what condition is it in equilibrium. We will answer these and other questions in the article
As you know, the molecules and atoms that make up the objects around us are very small. To carry out calculations during chemical reactions, as well as to analyze the behavior of a mixture of non-interacting components in liquids and gases, the concept of mole fractions is used. What they are and how they can be used to obtain macroscopic physical quantities of a mixture is discussed in this article
After reading the article, you can learn how to find the mass of any substance using simple knowledge of school chemistry
User of nature is a set of human actions related to the use of natural resources. They are soil, subsoil, water bodies, etc. Distinguish between irrational and rational nature management
The concept of a kilogram, it would seem, does not carry anything new. After all, we are faced with this unit of measurement every day. 1000 grams is known to all. But do you really know everything about the kilogram? In the article you will find interesting information about this unit of measurement
Watt is a physical quantity that everyone has to deal with on a daily basis without even knowing it. What is it measured, when did it arise, and by what formula can it be found? Let's find the answers to all these questions
Let's consider the types of lessons used in modern educational institutions. Using examples, we will show the types of training sessions, their selection taking into account the individual characteristics of Russian schoolchildren
In the modern world it is very fashionable and prestigious to teach a child in an elite school, lyceum or gymnasium. Is it worth chasing a developed trend or is it necessary to weigh all the pros and cons? Or maybe your child is endowed with abilities and they should be developed? We will try to resolve this issue for you by introducing you to such an institution as gymnasium 1 in Neryungri
What is chitin in biology? It is not only a structural component that prevents water loss, but also a biopolymer with bactericidal properties. This makes it possible to use chitin in the production of bandages, gauze and special bath sponges