CBSE > Class 12 > Biology | CBSE Board | Homework Help

Normal cell 1) show contact inhibition. 2) does not show invesiveness. 3) are regulated by cell division regulators. Cancerous cell 1)show random growth. And opposite to normal cell.

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What is humoral mediated immunity?

Posted by Anjali ✍️ 4 years ago

CBSE > Class 12 > Biology

2 answers

Dk Sharma 3 years, 11 months ago

Present in blood

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Niruz Saikia 4 years ago

Plasma ( B lymphosyde

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Name the primary and secondary lymphocytes organ

Posted by Aastha Kuldeep 4 years ago

CBSE > Class 12 > Biology

1 answers

Anjali ✍️ 4 years ago

Primary : Bone marrow and thymus. Secondar : spleen lymph nodes, tonsils,

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ChauhanClasses or your teacher has invited you to join a batch: Batch Name: Chauhan Classes Batch Code: ZC2FX8C Link: https://examin8.com/enroll/?batch_code=ZC2FX8C

Posted by Sony Chauhan 4 years ago

CBSE > Class 12 > Biology

0 answers

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What is BOD test?

Posted by Ayushi Jain 4 years ago

CBSE > Class 12 > Biology

1 answers

Ifra Naaz 4 years ago

procedure that measures the oxygen consumed by bacteria from the decomposition of organic matter

3Thank You

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What is Mandel theory

Posted by Bhumi Kumari 4 years ago

CBSE > Class 12 > Biology

0 answers

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Parts of flower

Posted by Priya Nayak 4 years ago

CBSE > Class 12 > Biology

1 answers

Bhumi Kumari 4 years ago

There is a flower that contain stigma style ovule and the other part of the flower is there is a Petal also called corolla and recipe Patel pistil

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The excretary system of spiders are called..???

Posted by Ipsita Satapathy 4 years ago

CBSE > Class 12 > Biology

2 answers

Anjali ✍️ 4 years ago

Malpighiyan tubule

1Thank You

Rajendra Golhar 4 years ago

Notes biology

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Why is kidney called retro-peritonial kidney in humans???

Posted by Ipsita Satapathy 4 years ago

CBSE > Class 12 > Biology

0 answers

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Which type of diabetes is rare??

Posted by Ipsita Satapathy 4 years ago

CBSE > Class 12 > Biology

0 answers

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PCR is discovered by which scientists and when???

Posted by Ipsita Satapathy 4 years ago

CBSE > Class 12 > Biology

1 answers

Aastha Kuldeep 4 years ago

Kary Mullis invented the PCR technique in 1985 while working as a chemist at the Cetus Corporation, a biotechnology firm in Emeryville, California.

2Thank You

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The optimum temperature required from the DNA to denatured is..???

Posted by Ipsita Satapathy 4 years ago

CBSE > Class 12 > Biology

1 answers

Sumit Jangra 4 years ago

92-95degree celcius

2Thank You

ANSWER

Define the term disease. Differentiate infectious diseases from non infectious diseases with suitable example

Posted by Mahek Patel 4 years ago

CBSE > Class 12 > Biology

1 answers

Yawer Nabi 4 years ago

Feeling dis comfortable

1Thank You

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Kashi and jaintia hills in Meghalaya...importance in in-situ

Posted by Nidhi Jha 4 years ago

CBSE > Class 12 > Biology

0 answers

ANSWER

what is sewage?

Posted by Karan Kumar 4 years ago

CBSE > Class 12 > Biology

0 answers

ANSWER

DNA and chromosome packaging investigatory project

Posted by Ritika Chundawat 4 years, 1 month ago

CBSE > Class 12 > Biology

1 answers

Ankit ?? Kumar 4 years ago

Youtube karo?

2Thank You

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How does dsRNA gain entry into eukaryotic cell to cause RNA interference?

Posted by Ramana Giri 4 years, 1 month ago

CBSE > Class 12 > Biology

0 answers

ANSWER

Have you heard about Hypoxia?

Posted by Mr. Singh 4 years, 1 month ago

CBSE > Class 12 > Biology

0 answers

ANSWER

What is Ilium and Elium?

Posted by Mr. Singh 4 years, 1 month ago

CBSE > Class 12 > Biology

0 answers

ANSWER

Zygote is____________

Posted by Vipul Rathod 4 years, 1 month ago

CBSE > Class 12 > Biology

5 answers

Vishal Singh 4 years ago

Diploid (2n)

0Thank You

Aseem Mahajan 4 years, 1 month ago

Diploid eukaryotic cell

1Thank You

Mr. Singh 4 years, 1 month ago

eukaryotic cell

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Shreyanshi Rawal 4 years, 1 month ago

Eukaryotic cell

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Vipul Rathod 4 years, 1 month ago

Diploid

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Why red algae found deep in the sea

Posted by Khushi Dubey 4 years, 1 month ago

CBSE > Class 12 > Biology

3 answers

Shreyanshi Rawal 4 years, 1 month ago

Because the red algae contain phycoerythrin. This phycoerytherin absorb blue light and use it for photosynthesis, thus using the little solar energy that reached the deepest part of the ocean for manufacturing food.

2Thank You

Mr. Singh 4 years, 1 month ago

do with the different wavelengths of light and how deep they can penetrate water.

0Thank You

Uttkarsh Kumar 4 years, 1 month ago

Because only the red wavelength of light travels to deep in the seas

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ANSWER

Why viruses are considered as ideal vehicle to transfer foreign gene into eukaryotic cells in culture? Give any 2 reason

Posted by Sangeeta Tomar 4 years, 1 month ago

CBSE > Class 12 > Biology

2 answers

Riya Kumari 4 years, 1 month ago

Also , viral destroys the host cells by making more of its kind numerously.

0Thank You

Riya Kumari 4 years, 1 month ago

1) Viruses are infectious pathogens. 2)It carries the foreign gene or gene of interest because they are viral , communicable deseases which spreads fastly .

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Life cycle of malarial parasite

Posted by Jyothsna M 4 years, 1 month ago

CBSE > Class 12 > Biology

0 answers

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Chapter-8 Human health and disease ka notes hai kisi ke paas?? Hai toh send krdo please

Posted by Avantika Rai 4 years, 1 month ago

CBSE > Class 12 > Biology

5 answers

Adarsh Chauhan 4 years, 1 month ago

Mere pass screenshots he

0Thank You

Adarsh Chauhan 4 years, 1 month ago

If you have any insta I'd I will send there

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Aseem Mahajan 4 years, 1 month ago

Available in this app

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Avantika Rai 4 years, 1 month ago

Send me please

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Abhishek Kumar 4 years, 1 month ago

Mere pass hai

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How sexual reproduction helps in evolution?

Posted by Sneha Parihar 4 years, 1 month ago

CBSE > Class 12 > Biology

2 answers

Riya Kumari 4 years, 1 month ago

Sexual reproduction helps in evolution here are 1) Creating of its kind with genetic variations 2) Continuity of species for generation to generation.

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Aryan Singh 4 years, 1 month ago

In sexual reproduction dna is not fully replicated and this cause a small change in offspring and multiple but slow change is evolution

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Describe the facts on which Darwin's theory is based

Posted by Madhu Buragohain 4 years, 1 month ago

CBSE > Class 12 > Biology

0 answers

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How is insulin produced through genetic engineering?

Posted by Madhu Buragohain 4 years, 1 month ago

CBSE > Class 12 > Biology

1 answers

Sia ? 4 years, 1 month ago

The gene for human insulin is inserted into the gap in the plasmid. This plasmid is now genetically modified. The genetically modified plasmid is introduced into a new bacteria or yeast cell. This cell then divides rapidly and starts making insulin.

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The scientific name of elephantiasis

Posted by Jitendra Sharma 4 years, 1 month ago

CBSE > Class 12 > Biology