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CBSE Class 12-science Answered

How do cytokine barriers provide innate immunity in humans?
Asked by varsha.belwate | 27 Mar, 2018, 03:27: PM
answered-by-expert Expert Answer
Cytokines including interferons, lymphokines, necrosis factor etc protect the non-infected cells from further viral infection by modulating the immune system in response to infection.
Answered by Sivanand Patnaik | 27 Mar, 2018, 04:14: PM
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CBSE 12-science - Biology
Alcohol is harmful as drink   
Asked by ravikathawri58 | 08 Mar, 2019, 11:43: AM
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CBSE 12-science - Biology
assertion:- dope test is used to estimate the level of blood alchohol by analyzing breath of person drinking alcohol reason:- a drunken person feels less talkative and is ussualy tense please tell whether both statements , only assertion ,only reason , or both statements are true by giving detail of each
Asked by kaintkaku | 01 May, 2018, 08:22: AM
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CBSE 12-science - Biology
What is asphyxiation? 
Asked by princesszahara26 | 19 Apr, 2018, 11:10: PM
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CBSE 12-science - Biology
What is nausea
Asked by princesszahara26 | 19 Apr, 2018, 11:04: PM
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CBSE 12-science - Biology
How do cytokine barriers provide innate immunity in humans?
Asked by varsha.belwate | 27 Mar, 2018, 03:27: PM
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CBSE 12-science - Biology
(a) Name the source plant of heroin drug. How is it obtained from the plant? (b) Write the effects of heroin on the human body.
Asked by varsha.belwate | 27 Mar, 2018, 03:25: PM
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CBSE 12-science - Biology
Mention the useful as well as the harmful drug obtained from the latex of Poppy plant. 
Asked by Topperlearning User | 11 Jun, 2014, 11:37: AM
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CBSE 12-science - Biology
In what different forms is the tobacco used? Name its addicting component. 
Asked by Topperlearning User | 11 Jun, 2014, 11:37: AM
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CBSE 12-science - Biology
Name the plant source of the drug popularly called "smack'. How does it affect the body of the abuser?
Asked by Topperlearning User | 11 Jun, 2014, 11:37: AM
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CBSE 12-science - Biology
How does smoking cause oxygen deficiency in body?
Asked by Topperlearning User | 11 Jun, 2014, 11:37: AM
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