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luda_lava [24]
3 years ago
13

19 POINTS 19 POINTS 19 POINTS 19 POINTS!!!Order the steps scientists take in determining a karyotype. They arrange them in a sta

ndard pattern in pairs of matching chromosomes. They break open the cell. They photograph the chromosomes under the microscope. Scientists stop a cell during cell division. They remove and stain the chromosomes so they can be seen.
Biology
1 answer:
Kaylis [27]3 years ago
3 0
I have not learned that yet i wish i could help so sorry though good luck
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The thyroid is an endocrine gland that regulates metabolic function through the production of all of the following hormones exce
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The thyroid is an endocrine gland that regulates metabolic function through the production of all of the following hormones except: Thyroliberin.

Thyrotropin is a peptide secreted by the anterior pituitary gland that prompts the thyroid gland to release thyroxine. It is also known as thyroliberin and thyroid-stimulating hormone (TSH) Thyrotropin-releasing factor, a peptide located in the hypothalamus of the brain and affecting glandula thyroidea secretion, acts to cause the release of TSH.

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8 0
1 year ago
I need help, I don't understand this, so please try to explain?
Vinvika [58]

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Yeah, so basically the image is showing restriction enzymes. The job of restriction enzymes is mainly involved in research when scientists use them for cloning human genes. But that's besides the point...

Main thing you have to understand is that restriction enzymes cut at very specific places along DNA sequences. If you look at the restriction enzyme Rsa 1, you can notice that it cuts only between a thymine nucleotide base and an adenine nucleotide base. Next, if ya look at Sty 1 (be careful b/c W can represent adenine or thymine), it cuts only between two directly adjacent cytosine nucleotide bases!

SO.... if we go to Rsa 1, we can find the answers by dividing up the sequences between the pattern we saw in the gray box. It only cuts between adenine and thymine bases. Based on that, we can find the number of fragments created, and the segment lengths (basically just like how many nucleotide bases are in each strand). Hope ya found this helpful!

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