HORTICULTURE SCIENCE
ULTRA STRUCTURE OF PLANT CELLS AND ORGANS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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chloroplast
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cell wall
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cell membrane
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nucleus
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Detailed explanation-1: -By housing the cell’s genome, the nucleus serves both as the repository of genetic information and as the cell’s control center. DNA replication, transcription, and RNA processing all take place within the nucleus, with only the final stage of gene expression (translation) localized to the cytoplasm.
Detailed explanation-2: -The nucleus is like the remote control center of the cell. It acts as the cell’s brain by telling it what to do, how to grow, and when to reproduce. The nucleus is home to the cell’s genes.
Detailed explanation-3: -Nuclei contain the genetic material called DNA that is responsible for controlling and directing all cell activities.
Detailed explanation-4: -The primary functions of the nucleus are to store the cell’s DNA, maintain its integrity, and facilitate its transcription and replication.
Detailed explanation-5: -Inside the nucleus lies the blueprint that dictates everything a cell will do and all of the products it will make. This information is stored within DNA. The nucleus sends “commands” to the cell via molecular messengers that translate the information from DNA.