Recent questions and answers in Biology

In Recombinant DNA technology antibiotics are used (1) As selectable markers (2) To keep medium bacteria-free (3) to detect alien DNA (4) To impart disease-resistance to the host plant

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by AJINK Gupta in Biodiversity and Conservation answered Jul 12 110 views

Define the term henpaphrodite.

Define the term henpaphrodite. Give one example

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by Nagashree K in The Living World answered Jul 9 274 views

The term phylum was given by

The term phylum was given by (a) Cuvier (b) Haeckel (c) Theophrastus (d) Linnaeus.

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by anonymous in Structural Organisation in Animals answered Jul 5 49 views

Select the correct route for the passage of sperms in male frogs.

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by cvsteam2021 in Microbes in Human Welfare answered Jun 25 51 views

Which of the following is correctly matched for the product produced by them?

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by Huzaifa Noori in Biotechnology: Principles and processes answered Jun 22 44 views

Which of the following restriction enzymes produces blunt ends?

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by Huzaifa Noori in Biotechnology: Principles and processes answered Jun 22 48 views

A gene whose expression helps to identify transformed cell is known as

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by Huzaifa Noori in Biotechnology: Principles and processes answered Jun 22 44 views

The DNA fragments separated on an agarose gel can be visualised after staining with

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by Huzaifa Noori in Biotechnology: Principles and processes answered Jun 22 62 views

DNA fragments are

DNA fragments are (a) negatively charged (b) neutral (c) either positively or negatively charged depending on their size (d) positively charged.

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by Huzaifa Noori in Biotechnology: Principles and processes answered Jun 22 50 views

What is the criterion for DNA fragments movement on agarose gel during gel electrophoresis ?

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by Huzaifa Noori in Biotechnology: Principles and processes answered Jun 22 175 views

The process of separation and purification of expressed protein before marketing is called

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