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Lena [83]
4 years ago
8

A single amino acid change in Ras eliminates its ability to hydrolyze GTP, even in the presence of a GTPase-activating protein (

GAP). Roughly 30% of human cancers have this change in Ras. You have just identified a small molecule that prevents the dimerization of a receptor tyrosine kinase that signals via Ras. Would you expect this molecule to be effective in the treatment of cancers that express wild type or mutant form of Ras
Chemistry
1 answer:
erica [24]4 years ago
8 0

Answer:

Yes, this molecule will be useful in the treatment of cancer.

Explanation:

Generally ligand binds to RTK——————— > RTK dimer formation————— > autophosphorylation occurs in RTK—————— > RTK activation—————— > This RTK activates RAS—————- > which activates many cellular processes————- > cancer.

Already, it nanoparticle stops RTK dimerization. As a result, RTK will not be triggered but the above-described sequence of activities would not be able to happen (from bold above); therefore, cancer can be precluded.

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Write a net ionic equation for the overall reaction that occurs when aqueous solutions of hydrosulfuric acid (H2S) and sodium hy
erica [24]

Answer:

H2S(g) + 2OH^-(aq) -------->  S^2-(aq) + 2H2O(l)

Explanation:

We know that the net ionic equation shows the major reaction that occurs in the reaction system.

The molecular reaction equation is;

H2S(g) + 2NaOH(aq) ------> Na2S(aq) + 2H2O(l)

The complete ionic equation is;

H2S(g) + 2Na^+(aq) + 2OH^-(aq) --------> 2Na^+(aq) + S^2-(aq) + 2H2O(l)

Net ionic equation;

H2S(g) + 2OH^-(aq) -------->  S^2-(aq) + 2H2O(l)

3 0
3 years ago
19. For the reaction, 2S+ 30=2SO3, how many moles of so3 will be produced from 12.5 g 02 and excess S?
Ratling [72]

19. For the reaction, 2S+ 30=2SO3, how many moles of so3 will be produced from 12.5 g 02 and excess S?

:

For the reaction: 2S(s) + 3O2 -> 2SO2(g) How many moles of SO3 will be produced from 2.0 mol O2 and excess S?

6 0
2 years ago
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Which statement describes the light reaction of photosynthesis?
cupoosta [38]

Answer:

A

Explanation:

water molecules are combined to make food

5 0
3 years ago
If 1.80 moles of NaCl was dissolved in enough water to make 3.60 L of solution, what is the Molarity?
sweet-ann [11.9K]

Answer:

0.5M

Explanation:

The equation for molarity is:

  • M = \frac{mol}{liters} ; where the "M" stands for molarity, the "mol" stands for moles of solute and the "liters" means the volume in liters of solution.

We are given that there are:

  • 1.80 moles of NaCl (the moles of solute)
  • 3.60 Liters of solution (the volume in liters of solution)

Now we just plug those numbers into the formula and get our answer:

  • M= \frac{1.80mol}{3.60L}= 0.5M

After doing the math and dividing the moles of solute by the liters of solution, we get that the molarity of the solution is 0.5M.

8 0
3 years ago
Amalgam is an alloy that contains mercury and other metals. Which of these atoms would most likely form metallic bonds with merc
rusak2 [61]
I would say copper, silver, and tin, since an alloy is a mixture of metals and metalloids.
6 0
3 years ago
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