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4. Draw the diagram of an animal cell and label the following: (5)a) Factory of ribosomes b) Waste disposal system of the cellc) power house of the cell d) control centre of the cell​

Answer» <html><body><h3><strong>Answer:</strong></h3><p></p><p></p><p></p><p> a) Nucleolus: The ribosome factory. The nucleolus is a nuclear compartment and represents the most obvious and clearly differentiated nuclear structure <a href="https://interviewquestions.tuteehub.com/tag/seen-3017120" style="font-weight:bold;" target="_blank" title="Click to know more about SEEN">SEEN</a> in the microscope. Within nucleoli most events of ribosome biogenesis, such as ribosomal RNA <a href="https://interviewquestions.tuteehub.com/tag/synthesis-658129" style="font-weight:bold;" target="_blank" title="Click to know more about SYNTHESIS">SYNTHESIS</a>, processing, and ribosome subunit assembly, take place.</p><p></p><p>b) Lysosomes are a kind of waste disposal system of the cell. They help to keep the cell clean by digesting any foreign material as well as worn-out cell organelles.</p><p></p><p>c) Mitochondria are tiny organelles inside cells that are involved in releasing energy from <a href="https://interviewquestions.tuteehub.com/tag/food-463384" style="font-weight:bold;" target="_blank" title="Click to know more about FOOD">FOOD</a>. This process is known as cellular respiration. It is for this reason that mitochondria are often referred to as the powerhouses of the cell.</p><p></p><p></p><p>d) NUCLEUS IS CALLED CONTROL <a href="https://interviewquestions.tuteehub.com/tag/centre-912170" style="font-weight:bold;" target="_blank" title="Click to know more about CENTRE">CENTRE</a> OF THE CELL BECAUSE IT PERFORMS TWO MAIN PRINCIPAL FUNCTIONS: 1. Contains genetic information for structure, reproduction , development, metabolism and behaviour. ... Controls cellular <a href="https://interviewquestions.tuteehub.com/tag/activities-848359" style="font-weight:bold;" target="_blank" title="Click to know more about ACTIVITIES">ACTIVITIES</a> through directing synthesis of particular proteins and enzymes.</p></body></html>


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