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Ask QuestionPosted by Ssss Shruti Singh 6 years, 3 months ago
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Posted by Harsh Vardhan 6 years, 3 months ago
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Sia ? 6 years, 3 months ago
Prototherian mammals : Any from the group of mammals in which the young develop within the egg that is laid down by oviparous mothers. Supplement. Animals of Class Mammalia may be grouped as either prototherian or therian.
Posted by Daya Krishna 6 years, 3 months ago
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Yogita Ingle 6 years, 3 months ago
The antigens of the foetus do not get exposed to the {tex}{{Rh}^{-}}{/tex} blood of the mother in the first pregnancy. However, during the delivery of the first child, there is a possibility of exposure of the maternal blood to small amounts of the {tex}{{Rh}^{+}}{/tex} blood from the foetus. In such cases, the mother starts preparing antibodies against Rh antigen in her blood.
In case of her subsequent pregnancies, the Rh antibodies from the mother {tex}({{Rh}^{-}}){/tex} can leak into the blood of the foetus {tex}{{Rh}^{+}}){/tex}. This could cause severe anaemia and jaundice to the baby. This condition is called erythroblastosis foetalis.
Posted by Neha Wadhwa 6 years, 3 months ago
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Pawni Chaudhary 6 years, 3 months ago
Shweta Dhama? 6 years, 3 months ago
Posted by Khushi K 6 years, 3 months ago
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Posted by Menka Mahato 6 years, 3 months ago
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Shubhanjali Singh Gaur 6 years, 3 months ago
Aditya Narayan Singh 6 years, 3 months ago
Posted by Aditya Soni 6 years, 3 months ago
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Posted by Kashish Jain 6 years, 3 months ago
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Posted by Aniket Baghel 6 years, 3 months ago
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Posted by Samar Borbo Samar Borbo 6 years, 3 months ago
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Sia ? 6 years, 3 months ago
Menstruation is the periodic shedding of the lining of a woman's uterus. It is one of the phases of the menstrual cycle. The uterine lining breaks down into a bloody substance. It then passes down through the cervix and exits through the ******. The process usually lasts from three to five days.
Posted by Shruti Patel 6 years, 3 months ago
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Sia ? 6 years, 3 months ago
Common characteristic of all vertebrates without exception is
- Presence of well developed skull
- Exoskeleton
- Two pairs of functional appendages
- Division of body into head, neck, trunk and tail.
Posted by Aryan Dhyani 6 years, 3 months ago
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Shruti Patel 6 years, 3 months ago
Posted by Manish Kumar 6 years, 3 months ago
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Richa Sharma 6 years, 3 months ago
Posted by Manoj Ahir 6 years, 3 months ago
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Menka Mahato 6 years, 3 months ago
Posted by Kritika Fulwariya 6 years, 3 months ago
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Posted by Menka Mahato 6 years, 3 months ago
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Posted by Vijay Prathap 6 years, 3 months ago
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Yogita Ingle 6 years, 3 months ago
Gelidium and gracilaria are the type of the red algae from where the agar-agar is the substance can be obtained which is used to prepare ice cream and jellies.
Posted by Neha Kc 6 years, 3 months ago
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Posted by Geniuse Boy 6 years, 3 months ago
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Yogita Ingle 6 years, 3 months ago
A semi-permeable membrane is also called a selectively permeable memebrane or partially permeable membrane. Semi-permeable membranes allow only certain molecules or ions to pass through it through the process of diffussion.
An example of biological semi-permeable is the lipid bilayer of plasma membrane in cells.
Posted by Geniuse Boy 6 years, 3 months ago
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Kuki Reddi 6 years, 3 months ago
Posted by Pramodini Patil 6 years, 3 months ago
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Meghna Thapar 5 years, 6 months ago
Bowman's capsule is a cup-like sack at the beginning of the tubular component of a nephron in the mammalian kidney that performs the first step in the filtration of blood to form urine. A glomerulus is enclosed in the sac. The Bowman's capsule has an outer parietal layer composed of simple squamous epithelium. The visceral layer, composed of modified simple squamous epithelium, is lined by podocytes. Podocytes have foot processes, pedicels, that wrap around glomerular capillaries.
Posted by Tanu Kumari 6 years, 3 months ago
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Posted by Neetap Patel 6 years, 3 months ago
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Meghna Thapar 5 years, 5 months ago
Karyokinesis is the division of the nucleus that occurs in four stages. They are prophase, metaphase, anaphase and Telophase. During prophase, the chromatin condenses to form chromosomes. centrioles develop into asters and move towards the opposite poles. Mitosis is the process in which the nucleus of a eukaryotic cell divides. During this process, sister chromatids separate from each other and move to opposite poles of the cell. This happens in four phases, called prophase, metaphase, anaphase, and telophase.
Posted by Shashank Tanwar 6 years, 3 months ago
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Posted by Jagabandhu Mishra 6 years, 3 months ago
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Meghna Thapar 5 years, 5 months ago
The main objectives of herbaria making are :
- To preserve plant specimens for reference.
- To identify plants on the basis of herbarium specimens.
- To study the vegetation different localities at of various times intervals.
The main step to prepare herbarium sheet are:
- Collection and pressing of specimens. Fresh materials are pressed in plant press in herbarium press.
- Drying of specimens. ...
- Mounting of specimens on herbarium sheets. ...
- Labeling of specimens. ...
- Storage and filling of herbarium sheets. ...
- Protection of herbarium sheets.
Posted by Dam Dam 6 years, 3 months ago
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Sivamitha Sivmit 6 years, 3 months ago
Posted by Pradeep Gaikwad 6 years, 3 months ago
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Kritika Fulwariya 6 years, 3 months ago
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