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madam [21]
3 years ago
15

Dr. Garcia is performing an experiment to see how cell division in flies is affected by the addition of a certain protein, calle

d protein W, into a cell's cytoplasm. She has found that adding protein W to a cell drastically reduces the chances of the cell becoming cancerous. For protein W to be developed into a cancer treatment, what comparison should she make?
Chemistry
2 answers:
valentina_108 [34]3 years ago
6 0

Answer:

She needs to compare with human cells, human and animal models.

Explanation:

A lot of research needs to happen to develop a treatment for cancer cells. There are some steps before a protein can be used in cancer treatment, like:

  • the research was made using flies. Recent studies demonstrate that Drosophila melanogaster's (known as flies) are a good model to evaluate cancer processes ; although the study need to be done in human cells and in some animal models (like mice) to see the effectiveness of the protein;
  • studies to see if the protein is effective and safe to other cells of the body;
  • Its important to see if this protein doesn't attack "good cells", causing injuries to the body; or doesn't cause side effects that are harmful to the body;
  • studies need to be conduct using humans, to again, to see how effective and safe is the protein.
Paha777 [63]3 years ago
3 0
<span>Dr. Garcia should compare fly cells to human cells.
</span>
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Propose the structure of the following HNMR data.
Varvara68 [4.7K]

Answer:

1-Chloropropane is likely the answer (attached a picture)

Explanation:

First off there are 3 peaks and 3 carbons which indicates to me that this will be a chain without any symmetry and that each carbon has hydrogens on it.  

Second the triplet at 1.0 that integrates to 3 likely correlates to a CH3 (methyl) group.  Peaks are very upfield triplets that integrate to three are almost always methyl peaks.

Third the triplet at 3.7 is indicative of being next to the halogen.  Hydrocarbons by themselves do not have peaks that far downfield meaning that its shift could only be explained by the chlorine being involved.  Also we know that this can't be next to the methyl group since its multiplicity is to low to be next to it.  

That leaves the multiplet at 1.75 being the hydrogens on the middle carbon which also makes sense since it is more downfield then the methyl group (due to being closer to the chlorine) but is not far enough downfield to say the chlorine is there.  It also makes sense that it is a multiple since it would be a hextet due to the adjacent 5 hydrogens which can't always be resolved.

I hope this helps and let me know if anything is unclear or needs further explanation.

7 0
3 years ago
How many moles of KBr are present in 8.96 x 10^21
Gelneren [198K]

Answer:

0.015 moles

Explanation:

  • One mole of a compound contains molecules equivalent to the Avogadro's constant, 6.022 × 10^23.
  • That is, 1 mole of a compound will have 6.022 × 10^23 molecules.

In our case, We are given 8.96 x 10^21 molecules of KBr

We need to find the number of moles in 8.96 x 10^21 molecules

1 mole of KBr = 6.022 × 10^23 molecules.

8.96 x 10^21 molecules = ?

Therefore;

(1 × 8.96 x 10^21 molecules ) ÷ 6.022 × 10^23 molecules.

 = 1.488 × 10^-2 moles

 = 0.01488 moles

= 0.015 moles

6 0
3 years ago
Someone Please Help Me out
Kisachek [45]

Answer:

where are u stuck ????

Explanation:

tell us fast

4 0
3 years ago
Write the chemical equation for the formation of HI from the single, isolated H and I atoms.
mart [117]

Answer:

H2 + I2 → 2 HI.

Explanation:

Hydrogen iodide is a diatomic gas which can be readily formed from the direct combination of the elements involved which is hydrogen and iodine. Both elements can be combined by irradiating the mixture with an electromagnetic radiation that has a wavelength which is equal to that needed to break the iodine molecule bond between the two iodine atoms

7 0
3 years ago
To reduce 16 ounces of a 25% solution of antiseptic to a 10% solution, how much distilled water should a nurse add?
NemiM [27]
<span>Let x = amt of distilled water
:
A simple equation
.25(16) = .10(x+16)
4 = .10x + 1.6

4 - 1.6 = .1x
2.4 = .1x
x = 2.4/0.1
x = 24 oz of distilled water
:
:
Prove this by seeing the amt of antiseptic is the same (only the % changes)
.25(16) = .10(24+16)
4 = .1(40)


I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
</span>
8 0
3 years ago
Read 2 more answers
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