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

Lac refrers to lactose basically. And operon referes to an arrangement of promotor and regulatory genes that regulate this polycistronic structural gene

1Thank You

Go Pika 7 years, 9 months ago

Read the book once?

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ANSWER

Dual nature of DNA polymerase

Posted by Go Pika 7 years, 9 months ago

CBSE > Class 12 > Biology

2 answers

Go Pika 7 years, 9 months ago

I got the answer.

0Thank You

Go Pika 7 years, 9 months ago

Why no one is answering?

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ANSWER

What are the consequences of deforestation?

Posted by Vaidehee Bhawsar 7 years, 9 months ago

CBSE > Class 12 > Biology

2 answers

Go Pika 7 years, 9 months ago

Habitats loss for animals. So loss of biodiversity

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Go Pika 7 years, 9 months ago

Global warming, increase water lavela due to melting of ice, increased number of submerged coastal areas. Soil erosions,

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A pea plant with flower position with pod color is crossed with hetero zygous axial flower position with green pod color. Work out the cross and find out the phenotypic and genotypic ratio.

Posted by Aditya Mohapatra 7 years, 9 months ago

CBSE > Class 12 > Biology

2 answers

Aditya Mohapatra 7 years, 9 months ago

Can you Pls elaborate in detail.

0Thank You

Go Pika 7 years, 9 months ago

Same as how we did for that seed colour and shape

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Dual function of DNA polymerase

Posted by Go Pika 7 years, 9 months ago

CBSE > Class 12 > Biology

0 answers

ANSWER

Biotechnology principal

Posted by Shubhi Agarwal 7 years, 9 months ago

CBSE > Class 12 > Biology

1 answers

Go Pika 7 years, 9 months ago

Given on the 2nd page of that lesson on at the start.

1Thank You

ANSWER

Fucus reproduces through iso or anisogamy

Posted by Gurpreet Singh 7 years, 9 months ago

CBSE > Class 12 > Biology

0 answers

ANSWER

What is heart?

Posted by Dharmanand Bhatt 7 years, 9 months ago

CBSE > Class 12 > Biology

0 answers

ANSWER

Site of fertilization

Posted by Raghav Verma 7 years, 9 months ago

CBSE > Class 12 > Biology

3 answers

Gullu Verma 7 years, 9 months ago

Ampullary- isthmic junction

2Thank You

Go Pika 7 years, 9 months ago

Of flower

2Thank You

Go Pika 7 years, 9 months ago

Ovary

1Thank You

ANSWER

Anyone writing 3 hours power for practice? #biology

Posted by Go Pika 7 years, 9 months ago

CBSE > Class 12 > Biology

0 answers

ANSWER

Disadvantages of out breeding ?

Posted by Ayush Thakur 7 years, 9 months ago

CBSE > Class 12 > Biology

6 answers

Ayush Thakur 7 years, 9 months ago

Thank you. Guys

1Thank You

Go Pika 7 years, 9 months ago

Yeah right!!!! Uups

3Thank You

Shagun Waraich 7 years, 9 months ago

Reproductive capacity (fertility) and yield decrease in case of inbreeding due to inbreeding depression but this is the case of outbreeding so there is a possibility that undesirable character are introduced

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Go Pika 7 years, 9 months ago

Fertility decrease

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Go Pika 7 years, 9 months ago

Accumulation of undesirable genes. Main reason is the decrease in reproduction capacity and yield

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Shagun Waraich 7 years, 9 months ago

There is a possibility of Introduction of undiserable characters

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ANSWER

Name the first commercially used biopesticide in the world ?

Posted by Shagun Waraich 7 years, 9 months ago

CBSE > Class 12 > Biology

2 answers

Go Pika 7 years, 9 months ago

2Thank You

Shagun Waraich 7 years, 9 months ago

????

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ANSWER

Is there a case where( 3n) type of fertilization takes place??

Posted by Namrata Mishra 7 years, 9 months ago

CBSE > Class 12 > Biology

2 answers

Namrata Mishra 6 years, 11 months ago

See triple fusion can only take place if the generative cell divides meiotically to give 2 generative cell. The one fuses with the egg cell and one fuses with polar nuceii(2n) to give 3n type of fertilization.

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Go Pika 7 years, 9 months ago

Triple fusion

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ANSWER

Difference between therapy and diagnosis

Posted by Kanishk Aggarwal 7 years, 9 months ago

CBSE > Class 12 > Biology

0 answers

ANSWER

Explain lac operon

Posted by Chaya Gana 7 years, 9 months ago

CBSE > Class 12 > Biology

0 answers

ANSWER

Yr m to kissi ko comment ni kt paa rahi hu?eror aara h

Posted by Baani N 7 years, 9 months ago

CBSE > Class 12 > Biology

9 answers

Go Pika 7 years, 9 months ago

How much over Yaar?

0Thank You

Go Pika 7 years, 9 months ago

She went? And yeah no issues!

0Thank You

Baani N 7 years, 9 months ago

Yup thanks Go now i am able to answer?

1Thank You

Go Pika 7 years, 9 months ago

See there is no comment option only add answer option

0Thank You

Baani N 7 years, 9 months ago

Yes i updated and now i am able to see red report??

1Thank You

Go Pika 7 years, 9 months ago

No your not blocked. Did you apdate the app? Do you see those 'red reports' ? Because commenting on a post was in the old version

0Thank You

Baani N 7 years, 9 months ago

Yeah i am able to post but unable to comment on all your questions i have tried more than 10 times but at last it's of no use

1Thank You

Go Pika 7 years, 9 months ago

Then how come you post? Your blocked that means.

0Thank You

Baani N 7 years, 9 months ago

*Error

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ANSWER

How can we prepare bio?

Posted by Tarannum Sayeed 7 years, 9 months ago

CBSE > Class 12 > Biology

1 answers

Baani N 7 years, 9 months ago

Pad ke yr ?

1Thank You

ANSWER

Give reasons 1- most zygotes in angiosperm divide only after certain amount of endosperm is formed 2-micropyle remains as a small pore in the seedcoat of a seed 3- apples and cashew nuts are not called true fruits

Posted by Suchi Smita Panda 7 years, 9 months ago

CBSE > Class 12 > Biology

1 answers

Aman Verma 7 years, 9 months ago

1 because developing zygote need endosperm for nutrition. 2 so that air (oxygen ) and water can go inside the seed for germination. 3 because they are not developed from ovary .

1Thank You

ANSWER

Whai is hidden hunger ????????

Posted by Pankaj Sihag 7 years, 9 months ago

CBSE > Class 12 > Biology