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Q. Is the epithelium vascularized? How do oxygen and nutrients reach the epithelium? Why is this feature an important evolutionary acquisition?
Epithelia are not vascularized capillaries don't directly reach their cells the epithelium exchanges substances by diffusion with the connective tissue situated under it.
Since the epithelia are not vascularized minuscule scratches or skin injuries that happen all the time do not trigger bleeding and do not expose the blood to contamination from external agents this is an important protective strategy discovered by evolution.
How are the antibodies against the Rh factor formed? The Anti-Rh antibodies are made by humoral immune response. When the Rh- individual makes contact with the Rh factor this i
Hans spemann theory
A wire 50.0 m long and 2.00 mm in diameter is connected to a source with a potential difference of 9.11 V, and the current is found to be 33.7 A. Assume a temperature of 20°C and,
CHLAMYDIOSIS Amongst various causes of morbidity and mortality chlamydiosis is recognized as one of the important infectious conditions and emerging as threat to the livestock due
Q. How does photosensitivity in annelids, cnidarians and worms differ from insects, cephalopods and vertebrates? In the first mentioned group of animals there are photoreceptor
in human and mammals how many cells result from oogenesis
Explain Metastatic carcinoma Metastatic carcinoma:- Cancer that can be transferred from one part of the body to other unrelated parts.
Herbicide tolerant crops (HTC) Increased use of the herbicides plant is tolerant to (describes ecological impact eg toxic residues in soil, runoff into waterways) Ther
The next set of lectures in this course cover a number of topics including fermenter design, power consumption, oxygen transfer and mixing. The aim of these lectures is to underst
Amylopectin Amylopectin forms a branched structure with about 30 glucose units in a chain among branches. There are usually slightly more 'outer' unbranched chains (called A-c
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