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This is because in females, the process of meiosis produces a single ovum, which contains half the number of chromosomes as the parent cell. In males, meiosis produces four sperm cells, each containing half the number of chromosomes as the parent cell. This is necessary for the male reproductive system to create a variety of …

In females, only a single ovum is formed from a germinal cell, whereas in males, more than one sperm is formed – സ്ത്രീകളിൽ, ഒരു അണ്ഡകോശത്തിൽ നിന്ന് ഒരു അണ്ഡം മാത്രമേ ഉണ്ടാകൂ, പുരുഷന്മാരിൽ ഒന്നിലധികം ബീജങ്ങൾ രൂപം കൊള്ളുന്നു. Read More »

1. Apical meristem: Found at the tips of stems and roots, this type of meristem is responsible for primary growth and increases the length of the plant. 2. Intercalary meristem: Found at the base of leaves and nodes, this type of meristem is responsible for secondary growth. 3. Lateral meristem: Found in the vascular cambium …

Different kinds of meristem – വ്യത്യസ്ത തരം മെറിസ്റ്റം Read More »

Plants: Plants grow by forming new tissues and cells through the process of cell division. Their growth is mainly determined by environmental factors such as light, temperature, and water. Plants use photosynthesis to turn sunlight into energy, which helps them grow. Animals: Animals grow by increasing in size and mass. Their growth is mainly determined …

Differences between the growth in plants and animals – സസ്യങ്ങളുടെയും മൃഗങ്ങളുടെയും വളർച്ച തമ്മിലുള്ള വ്യത്യാസങ്ങൾ Read More »

Loss of muscle mass and strength Poor balance, reflexes, and coordination Changes in vision, hearing, and sense of smell Decreased bone density and increased risk of osteoporosis Loss of skin elasticity and thinning of the skin Increase in wrinkles and age spots Hair loss and changes in hair texture Increased risk of dental problems due …

The physical peculiarities of old age – വാർദ്ധക്യത്തിന്‍റെ ശാരീരിക പ്രത്യേകതകൾ Read More »

Mitosis is the process of eukaryotic cell division where the cell nucleus splits into two identical daughter nuclei. It is followed by the division of the cytoplasm and the organelles, resulting in two daughter cells. Mitosis is a continuous process, which is divided into four stages: prophase, prometaphase, metaphase, anaphase, and telophase. During prophase, the …

Characteristic of mitosis – മൈറ്റോസിസിന്‍റെ സവിശേഷതകൾ Read More »

Cell plate formation is a process of cell division in plant cells, which involves the formation of a new cell wall in the middle of two daughter cells. It begins when the cell membrane at the equator of the dividing cell pinches inwards, forming a vesicle known as the preprophase band. The preprophase band then …

Formation of cell plate – കോശഫലകം രൂപീകരണം Read More »

Cytokinesis is the process in which a single cell divides into two daughter cells. It is the final stage of mitosis, the process by which replicated chromosomes are separated into two new cells. During cytokinesis, the cytoplasm of a single cell divides into two new daughter cells, a process that is necessary to maintain the …

Cytokinesis – സൈറ്റോകൈനിസിസ് Read More »

The chromatin reticulum undergoes several changes during the process of transcription. When a gene is turned on, the chromatin fibers become less tightly wound, allowing for the transcription machinery to access the gene. During transcription, the chromatin fibers become even more unwound, allowing the transcription factors and RNA polymerase to interact with the DNA. Once …

Changes that occur in the chromatin reticulum – ക്രോമാറ്റിൻ റെറ്റിക്യുലത്തിൽ സംഭവിക്കുന്ന മാറ്റങ്ങൾ Read More »

Karyokinesis is the process of cellular division that results in the formation of two daughter cells. This process involves the duplication and distribution of genetic material, which is accomplished through mitosis and meiosis. Karyokinesis can refer to either mitosis or meiosis, depending on the context.

Mitosis is a type of cell division that forms two identical daughter cells from one parent cell. During mitosis, the chromosomes in the nucleus are divided into two equal sets, each of which is then moved to one of the two daughter cells. Meiosis is another type of cell division that produces four daughter cells …

Mitosis and meiosis – ക്രമഭംഗം Read More »