Nuclear pores are small holes present in the nuclear envelope of the nucleus. This nucleus envelope is formed by the fusion of two nuclear membranes. These small holes only allow some specific substances to be transferred into the cell cytoplasm and back to the nucleus. However, they allow few molecules like RNA and proteins to move in both directions between the nucleus and the cytoplasmAnswered by Pragya Singh | 1 year ago
What is a centromere? How does the position of the centromere form the basis of the classification of chromosomes? Support your answer with a diagram showing the position of the centromere on different types of chromosomes.
Describe the structure of the following with the help of labeled diagrams.
Both lysosomes and vacuoles are endomembrane structures, yet they differ in terms of their functions. Comment.
Cells are the basic unit of life. Discuss in brief.
Multicellular organisms have a division of labor. Explain.