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Reptile [31]
3 years ago
7

What information could cancer researchers gain from using DNA microarrays?

Biology
1 answer:
Evgen [1.6K]3 years ago
7 0

DNA microarrays allow scientists to determine the genotype of a chunk of our genome and also measure the how the genes in that chunk are expressed. Using this technique has been essential in isolating genes that predispose people to cancers, and therefore allowing physicians to preemptively identify and monitor at-risk individuals. For instance, the genes BRCA1, BRCA2, and PALB2 have all been identified (using DNA microarrays) and linked to breast cancer. Knowing this allows individuals to seek out testing and take appropriate measures to prevent cancer/monitor the possible onset of cancer, which has proven to be life-saving.

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What are two kinds of molecules that make a good model of a solid dissolving in a liquid?
Kisachek [45]

Answer:

In the simplest case it involves mixing two materials together. The most common examples of dissolving involve a solid and a liquid, usually water. When a solid dissolves the solid (solute) and the liquid (solvent) form a very close intimate mixture called a solution.

Explanation:

4 0
3 years ago
Why do monosaccharide sugars burn faster than polysaccharides?
Afina-wow [57]

Answer:

Explanation:

This is because they are simpler molecular structure,with C-H bonds   compare to polysaccharides which are aggregate of monosaccharide formed by  glycosidic bonds.(covalent bonds) through condensation(This is the loss of OH and H from sugar molecules involved) the differences in strength  of  the two bonds is the reasons.

Full answer in the attachment

Download docx
4 0
3 years ago
Fill in the blank
Inga [223]

Answer:

Pollen grains land on the stigma and move down the pollen tube into the ovary.

7 0
3 years ago
Pls help question is in picture
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Answer:

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4 0
3 years ago
Most coastal areas on Earth experience two high tides and two low tides every lunar day. What is a lunar day? Our days on Earth
ahrayia [7]

The correct answer is - C) 5:35 PM Friday.

The low tides occur twice in a lunar day, thus they are diurnal. The low tides appear when the Moon is between that point of the planet and the opposite of that point of the planet, thus in between, which is happening twice, on opposite parts of the planet.

Since the lunar day lasts for 24 h 50 m, we should just divide it in two, thus get 12 h 25 m. Than we should add the 12 h 25 to the time when one of the low tides appeared, which is 5:10 AM, so we will get 5:35 PM.

The low tides appear because the Moon is pulling the water upwards with its gravitational pull above the place where it is, so the side parts of the planet have their waters dragged away,thus resulting in the retreating of the water, known as low tide.

3 0
2 years ago
Read 2 more answers
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