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नवीनतम संदेश 9
2021-05-02 19:28:50
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492 viewsedited 16:28
2021-05-02 18:12:20
QUESTION OF THE DAY IN ALL NEW WAY
QUESTION>TIMER>ANSWER >SOLUTION
Comment karke btana apne shi answer mara ya nahi
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746 views15:12
2021-05-02 10:22:41
QUESTION OF THE DAY IN ALL NEW WAY
QUESTION>TIMER>ANSWER >SOLUTION
Comment karke btana apne shi answer mara ya nahi
707 viewsedited 07:22
2021-05-02 08:30:02
Focus NEET 2021 Test Series Test :- 01
Syllabus :- https://t.me/apni_academy/2622
All The Best #Apni_Sena For the Test
Send your Answer sheets to @A2_management
1.0K viewsNEET Aspirant, edited 05:30
2021-05-01 22:42:34
Notice!
Part Test 01 will be held on tomorrow Via Offline mode
You will get the question 5 min before the exam (we will upload the question in this channel)
And Ap Sabhi ki Request pe @APNI_ACADEMY Apsabke lia lekar a rhi he ek big surprise woh bhi free me !
Toh kya ho skti he woh surprise?
Test Series?
Best Notes?
Mocks?
Video Courses? Ya kuch aur hi
We are very sorry for not taking this take on app, but believe me you will be more than happier by upcoming new
Socho socho and comment kro
Instruction of the Test :- Click Here
1.3K viewsNEET Aspirant, edited 19:42
2021-05-01 19:27:08
FUNCTION OF LARGE INTESTINE
TIPS & TRICK
D. E. W. S
1)D- defecation.
2)E- excretion of bivalent ions
like sulphate,
carbonate, phosphate
(NOTE- kidneys can't
excrete bivalent ions ).
3)W- water and drug absorption
4)S - synthesis of Vit-k & vit-
B12 by the microbes of
large intestine
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1.5K views 𝚄𝚕𝚝𝚛𝚊 𝙻𝚎𝚐𝚎𝚗𝚍 , 16:27
2021-05-01 17:36:36
Note - free test enrollment starting soon
Chalo kuch revolutionary karne ki kosis karte hai..!..! Ap btao apko ache solid preparation ke lie kya kya chiye..!.! (eg, mocks, courses, etc)
1.5K views 𝚄𝚕𝚝𝚛𝚊 𝙻𝚎𝚐𝚎𝚗𝚍 , edited 14:36
2021-05-01 06:45:41
Parathyroid gland
(1) Hormones of parathyroid: Active hormone secreted by parathyroids is parathormone (PTH), also called Collip's Hormone (Phillips collip, 1925).
(2) Irregularities of parathormones
(a) Hypoparathyroidism (Hyposecretion of parathormone)
(b) Hyperparathyroidism (Hypersecretion of parathormone)
Pancreas
(1) Hormones of pancreas and their role:
(a) Insulin: Insulin regulates how the body uses and stores glucose and fat.
(b) Glucagon: This is secreted by the alpha cells of islets of Langerhans. Its function is to elevate glucose level in blood when glucose is deficient.
(c) Somatostatin and Pancreatic polypeptide: Modern physiologists have postulated that the d and F (PP) cells of pancreas respectively secrete somatostatin (SS) and pancreatic polypeptide (PP). Somatostatin resembles the growth hormone inhibitory hormone (GHIH) secreted by hypothalamus.
Thymus gland
(1) Function of thymus glands
(a) Thymus is haemopoietic, as well as, an endocrine gland.
(b) The major function of thymus is to secrete thymosin hormone, thymic humoral factor (THF), thymic factor (TF), thymopoietin.
(c) Thymus is essential in neonatal (newly born) infant and postnatal child for normal development of lymphoid organs and cellular immunity.
Gonads
(1) The gonads are the sex glands, the testes and the ovary.
(i) Testes
The testis form part of the male reproductive system, and is the gland where sperm and testosterone are produced.
Functions of Testes
(a) It stimulates the male reproductive system to grow to full size and become functional.
(b) It stimulates the formation of sperms (spermatogenesis) in the seminiferous tubules.
(c) It also determines the male sexual behaviour sex urge, aggressive behaviour.
(d) Under its effect protein anabolism increases.
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1.0K viewsedited 03:45
2021-04-30 21:25:40
DNA finger printing
(1) Alec Jeffreys et al (1985) developed the procedure of genetic analysis and forensic medicine, called DNA finger printing.
(2) It is individual specific DNA identification which is made possible by the finding that no two people are likely to have the same number of copies of repetitive DNA sequences of the regions.
(3) It is also known as DNA profiling.
(4) The chromosomes of every human cell contain scattered through their DNA short, highly repeated 15 nucleotide segments called “mini-satellites” or variable-number Tandem Repeat (VNTR).
Technique for DNA fingerprinting
(1) Only a small amount of tissues like blood or semen or skin cells or the hair root follicle is needed for DNA fingerprinting.
(2) Typically DNA content of about 100,000 cells or about 1 microgram is sufficient.
(3) The procedure of DNA fingerprinting involves the following major steps:
(i) DNA is isolated from the cells in a high-speed refrigerated centrifuge.
(ii) If the sample of DNA is very small, DNA can be amplified by Polymerase Chain Reaction (PCR).
(iii) DNA is then cut up into fragments of different length using restriction enzymes.
(iv) The fragments are separated according to size using gel electrophoresis through an agarose gel. The smaller fragments move faster down the gel than the larger ones.
(v) Double stranded DNA is then split into single stranded DNA using alkaline chemicals.
(vi) These separated DNA sequences are transferred to a nylon or nitrocellulose sheet placed over the gel. This is called ‘Southern Blotting’ (after Edward Southern, who first developed this method in 1975).
(vii) The nylon sheet is then immersed in a bath and probes or makers that are radioactive synthetic DNA segments of known sequences are added. The probes target a specific nucleotide sequence which is complementary to VNTR sequences and hybridizes them.
(viii) Finally, X-ray film is exposed to the nylon sheet containing radioactive probes. Dark bands develop at the probe sites which resemble the bar codes used by grocery store scanners to identify items.
Applications of DNA fingerprinting
This technique is now used to:
(i) Identify criminals in forensic laboratories.
(ii) Settle paternity disputes.
(iii) Verify whether a hopeful immigrant is, as he or she claims, really a close relative of already an established resident.
(iv) Identify racial groups to rewrite biological evolution.
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2.2K viewsedited 18:25
2021-04-30 17:53:30
QUESTION OF THE DAY IN ALL NEW WAY
QUESTION>TIMER>ANSWER >SOLUTION
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1.4K viewsedited 14:53
A
