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mylen [45]
3 years ago
11

Which adaptation helps polar bears maintain a constant internal temperature (thermal homeostatsis) in cold weather?

Biology
1 answer:
ANEK [815]3 years ago
8 0

Answer:dude your cool

Explanation:

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In blue-white screening, what do blue colonies represent?
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Answer:

The correct option is : cells containing empty plasmid vectors

Explanation:

The blue-white screen is a technique which involves the rapid identification of the recombinant bacteria in a vector-based molecular cloning experiment. In this method, a DNA ligated vector is inserted in a host cell which is viable for transformation and grown in presence of X-gal.    

The cells that are transformed with the vectors having the recombinant DNA produce the white colonies. Whereas, the cells transformed with empty vector i.e. the non-recombinant plasmids, produce the blue colonies.

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What type of syndrome is this Karyotype
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Patau's syndrome is a genetic disorder caused by one additional chromosome 13, and therefore it is an aneuploidy caused by an extra chromosome (i.e., a trisomy). Individuals with Patau's syndrome have 47 chromosomes instead of 46 in some or all their somatic cells. This syndrome seriously affects fetal development, usually resulting in miscarriage, stillbirth or in neonatal death. The incidence of this syndrome is around 1/5,000 births.

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The following list of events happens during meiosis:
Harlamova29_29 [7]

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1 and 2

Explanation:

6 0
2 years ago
HELP PLEASE ASAP !!! Cats can be striped, which is dominant to being solid. They can also have pointed (dominant) or round (rece
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