Tag Archives | Cytology

Cytological Slides and Specimens | Cytology

In this article we will discuss about some cytological slides and specimen. 1. B-Chromosome or Supernumerary Chromosome: i. The nuclei of some animals or plants contain one or more chromosomes in addition to normal chromosomes. These additional chromosomes are called B-chromosomes or supernumerary chromosomes. ii. First described by Wilson in 1905 in Metapodius, an insect, these chromosomes have now been [...]

By |2016-10-20T07:46:24+00:00October 20, 2016|Cytology|Comments Off on Cytological Slides and Specimens | Cytology

6 Main Cell Organelles of Protoplasm | Cytology

The following points highlight the six main cell organelles of protoplasm. The cell organelles are: 1. Chloroplast 2. Mitochondria 3. Golgi Apparatus 4. Nucleus 5. Endoplasmic Reticulum 6. DNA Model. Cell Organelle # 1. Chloroplast: 1. Chloroplasts (Figs. 18, 19), responsible for the photosynthesis of the plants, are the characteristic features of the cells of green plants. 2. Around the [...]

By |2016-10-20T07:46:24+00:00October 20, 2016|Cytology|Comments Off on 6 Main Cell Organelles of Protoplasm | Cytology

Ribosomes: Subject-Matter and Structure (With Diagram) | Cell

In this article we will discuss about the subject-matter and structure of Ribosomes present in the cells of plant and animals. Subject-Matter of Ribosomes: In the cytoplasm of the cell there are found particles composed of RNA (ribonucleic acid) and proteins. These are called ribosomes. These particles occur in all the cells that synthesize proteins and they are involved in [...]

By |2016-07-12T13:56:00+00:00July 12, 2016|Ribosome|Comments Off on Ribosomes: Subject-Matter and Structure (With Diagram) | Cell
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