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Q. Into which periods is mitosis has divided?
Mitosis is divided into four periods: metaphase, prophase, telophase and anaphase.
Q. What are the centrioles and in which type of cell are they present?
Centrioles are tiny cylindrical structures made of nine microtubule triplets they appear in pairs in the cell. Centrioles participate in the making of cytoskeleton and of flagella and cilia. In cell division they play a vital role in the formation of the aster fibers.
Centrioles are structures present in the animal cells, in some primitive and in most protists fungi. There are no centrioles in cells of superior plants and generally it is considered that plant cells do not have centrioles although this is not completely correct since some plants have centriole-containing cells.
The region where the centrioles are located is term as the centrosome of the cell.
Q. Explain Surlyn film? Surlyn films: Surlyn (SU) is a versatile film which is sometimes favoured over polyethylene due to some unique properties such as excellent moisture b
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Explain the term- Latent Squint (Anisophoria or Heterophoria) This eye condition occurs when the balance of extra-ocular muscles is altered. There is a tendency of the eye to
PKU is a recessive disorder. Suppose two people who were heterozygous for PKU married and had a child. What is the probability that the child will have PKU?
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