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Take the test on the topic: https://goo.gl/J4lNJL Go to the simulators: https://goo.gl/Eu8ZMJ You can study effectively and with pleasure! Home school InternetUrok.ru - complete secondary education from grades 1 to 11 remotely, the possibility of official enrollment at any time of the year: https://home-school.interneturok.ru/?... Ask a question about the lesson: https://goo.gl/iIGvIG Other video lessons on the school curriculum - at https://interneturok.ru This video lesson is intended for independent familiarization with the topic "Chemical composition of the cell". You already know that in nature you can find a huge variety of cells that differ in size, function, shape and other parameters. In this lesson, you will study the chemical composition of the cell. Find out what two important features of a living cell are and discuss the functions of the organic substances that make it up.