Question

Спрашивайте по биоологии отвечю быстро

Answer 1

Сделайте таблицу по опорно-двигательного системы. Должно быть 9типов
Тип. | особенность ОДС
простейшие

Answer 2

Какое значение в природе и жизни человека имеют представители головоногих моллюсков ?

Answer 3

Biology Questions

1. What is the process of photosynthesis? Photosynthesis is the process by which green plants, algae, and some bacteria convert light energy into chemical energy in the form of glucose. It occurs in the chloroplasts of plant cells and involves the absorption of light energy by chlorophyll, which is used to convert carbon dioxide and water into glucose and oxygen. The equation for photosynthesis is: 6CO2 + 6H2O + light energy → C6H12O6 + 6O2.

2. What is the function of DNA in living organisms? DNA (deoxyribonucleic acid) is a molecule that carries the genetic instructions for the development, functioning, growth, and reproduction of all known living organisms. It contains the information necessary to build and maintain an organism, as well as to pass on traits from one generation to the next. DNA is responsible for encoding the instructions for the synthesis of proteins, which are essential for the structure and function of cells.

3. What is mitosis? Mitosis is a type of cell division that occurs in eukaryotic cells to produce two identical daughter cells. It is a crucial process for growth, repair, and asexual reproduction in organisms. During mitosis, the cell's nucleus divides into two identical sets of chromosomes, and the cytoplasm divides to form two separate cells. The stages of mitosis are prophase, metaphase, anaphase, and telophase.

4. What is the function of the mitochondria in cells? Mitochondria are often referred to as the "powerhouses" of the cell because their main function is to produce energy in the form of adenosine triphosphate (ATP) through cellular respiration. They are double-membraned organelles found in most eukaryotic cells and are responsible for converting nutrients into ATP, which is used as a source of energy for various cellular processes. Mitochondria also play a role in other cellular functions, such as calcium storage and cell signaling.

5. What is natural selection? Natural selection is a fundamental mechanism of evolution proposed by Charles Darwin. It is the process by which certain heritable traits become more or less common in a population over successive generations. Natural selection occurs when individuals with advantageous traits are more likely to survive and reproduce, passing on those traits to their offspring. Over time, this leads to the adaptation of populations to their environment and the emergence of new species.

6. What is the structure of a cell membrane? The cell membrane, also known as the plasma membrane, is a thin, flexible barrier that surrounds the cytoplasm of all cells. It is composed of a phospholipid bilayer with embedded proteins and other molecules. The phospholipids have a hydrophilic (water-loving) head and hydrophobic (water-fearing) tails, which arrange themselves in a double layer. The proteins in the cell membrane have various functions, such as transport of molecules, cell signaling, and structural support.

7. What is the role of enzymes in biological reactions? Enzymes are proteins that act as catalysts in biological reactions. They speed up the rate of chemical reactions by lowering the activation energy required for the reaction to occur. Enzymes achieve this by binding to specific substrates and facilitating their conversion into products. Enzymes are highly specific, meaning that each enzyme catalyzes a particular reaction. They play a crucial role in metabolism, digestion, DNA replication, and many other biological processes.

8. What is the difference between mitosis and meiosis? Mitosis and meiosis are both processes of cell division, but they have different purposes and outcomes. Mitosis is a type of cell division that produces two identical daughter cells, each with the same number of chromosomes as the parent cell. It is involved in growth, repair, and asexual reproduction. Meiosis, on the other hand, is a specialized type of cell division that produces four non-identical daughter cells, each with half the number of chromosomes as the parent cell. It is involved in the formation of gametes (sperm and eggs) for sexual reproduction.

Please let me know if you have any more biology questions!