The 30 nm fibers of a chromosome are attached to a/an ________ scaffold that holds the fibers in large loops.

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#Question id: 26430

#Unit 3. Fundamental Processes

If the mismatch is near 5’ then which of the following will degrade strands of DNA in the 3’ → 5’ direction

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#Question id: 11661

#Unit 10. Ecological Principles

Autogenic factors results from the community and its organism for example filling in the pond by the dead organism from the pond itself. It included several other factors except____

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#Question id: 12933

#Unit 13. Methods in Biology

Choose the correct order for the cloning process.

1. The production of cDNA is carried out using an enzyme termed Reverse transcriptase.

2. mRNA cannot be used directly in cloning.

3. It is possible to synthesis complementary DNA molecule to all the mRNA from the selected tissue.

4. The cDNA may be inserted into vectors and then cloned.

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#Question id: 31097

#Unit 4. Cell Communication and Cell Signaling

The protein that senses Ca+2 depletion in the ER is called:

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#Question id: 4791

#Unit 8. Inheritance Biology

Body color in mice, YY is a recessive lethal, Yy yellow, yy gray and hair type straight is dominant over fuzzy. A geneticist crosses two yellow mice with heterozygous straight hair. Which the observe ratio is of obtains following progeny?