Created by StemPy LabMatch the scientists in List-I with their work in List-II. List-I (Scientist) A. Camillo Golgi B. George Palade C. Singer and Nicolson D. Flemming List-II (Work) I. Proposed the fluid mosaic model of the cell membrane II. Saw densely stained reticular structures near the nucleus III. Gave the name chromatin to the material of the nucleus stained by basic dyes IV. First saw ribosomes as dense particles under the electron microscope
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← Assertion (A): In the oocytes of some vertebrates, diplotene can last for months or years.
Reason (R): During diplotene, the synaptonemal complex dissolves, and the recombined homologous chromosomes tend to separate from each other except at the sites of crossovers.Read the following statements about prokaryotic cells.
(i) The genetic material is not enveloped by a nuclear membrane.
(ii) The 70S ribosome is formed from a 50S and a 30S subunit.
(iii) Mesosomes help in cell wall formation, and in DNA replication and its distribution to daughter cells.
(iv) Inclusion bodies, such as glycogen granules, are bounded by a single membrane.
(v) Every prokaryote has a cell wall around its cell membrane.
(vi) Pili and fimbriae are the structures with which bacteria swim.
How many of the statements above are correct? →
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