The nucleoid of bacteria looks like a diffuse mass of DNA, but it is characterized by high order and non-random arrangement of genes. Bacteria do not have nucleosomes, but the organization of DNA is facilitated by various proteins associated with the nucleoid. Just like
Neuroglia (Greek - neuron, glue) performs supporting trophic, delimiting, protective, secretory and insulating functions. There are 2 types of glial cells: 1. Macroglia (common origin with nerve cells) a) astroglia, b) oligodendroglia,
In addition to neurons, nervous tissue includes neuroglial cells - peirogliocytes. They were discovered in the 19th century. German cytologist R. Virchow, who defined them as cells connecting neurons (Greek yXoia - glue), filling the spaces between them and providing
Slide 1 Presentation on chemistry topic: “Chemistry in the life of society” was carried out by 11th grade students. MOU-SOSH village. Chiganak Shishkanova Elena and Bolotnikov Ivan Head chemistry teacher Morozova T.M. 2010 Slide 2 Chemistry and production Chemical industry and chemical
Nastenka, Nastyusha, Stasya. The name Nastya in different languages Let's look at the spelling and sound of the name in Chinese, Japanese and other languages: Chinese (how to write in hieroglyphs): 娜斯佳 (Nà sī jiā). Ukrainian: Nastya. Yiddish: נאַסטיאַ (nastia). English: Nastya (Nas
The purpose of the event: to study the introduction of nanotechnologies into human life and show their importance in the modern world. 1. Develop students’ self-education skills and creative abilities. 2. To instill in students respect for people of science and their achievements. 3.
The basis of the tongue is striated muscle tissue, the contraction of which is voluntary. The relief of the mucous membrane covering it is different on the lower, lateral and upper surfaces of the tongue. The epithelium on the underside of the tongue is multilayered,
04/15/2015 10/13/2015 Features of the structure and functionality of the “double helix” It is difficult to imagine a person without genetic habits, characteristics, and hereditary changes in the body of a newborn. It turns out that all information is encoded in the notorious
When we observe a sunny summer landscape, it seems to us that the whole picture is flooded with light. However, if we look at the sun with the help of special instruments, we will find that its entire surface resembles a giant sea, where fiery waves rage
IVAN EGOROVICH STAROV - Architect, one of the founders of Russian classicism. Favorite architect, builder of His Serene Highness Prince G.A. Potemkin-Tavrichesky. IVAN EGOROVICH was born in St. Petersburg on February 12 (23), 1745 - although there is information about the years 43 and 44, in this
The voltage of an electrochemical system with a liquid interface between two electrolytes is determined by the difference in electrode potentials accurate to the diffusion potential. Rice. 6.12. Elimination of diffusion potential using electrolytic bridges
Contents of the article SEMANTICS, in the broad sense of the word, is an analysis of the relationship between linguistic expressions and the world, real or imaginary, as well as this relationship itself (cf. an expression like word semantics) and the totality of such relationships (so, we can talk about
A hydrogen bond in a protein molecule occurs between a partially positively charged hydrogen atom of one group and an atom (oxygen, nitrogen) that has a partially negative charge and a lone electron pair of another group. Various in proteins
RUBBER (RUBBER VULCANIZATION PRODUCT) (from Latin resina - resin), vulcanizate, rubber vulcanization product (see Natural rubber, Synthetic rubbers). Technical R. is a composite material that can contain up to 15-20 ingredients that perform
FEDERAL EDUCATION AGENCY SEI HPE "KEMEROVSK STATE UNIVERSITY" BELOVSKY INSTITUTE (BRANCH) DEPARTMENT OF SOCIAL SCIENCES ABSTRACT In the discipline: Domestic history Reforms S.Yu. Witte Completed by: First year student Osintseva N.A. Prove
03/10/2016 11/19/2019 by Mnogoto4ka Proverbs and sayings - it seems that this is something from deep childhood, from a colorful reading textbook for primary school. And, at the same time, they remind you of themselves every day, even if no one says them. Because
