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inna [77]
2 years ago
7

Thylakoids membranes have special proteins in bedded into the membrane which catalyze the production of ATP from what type of io

ns
Biology
1 answer:
djyliett [7]2 years ago
7 0

Answer:

From Hydrogen ion.

H+

Explanation:

It's is from hydrogen ion because majoroty of the electrons transport processes take place in the thylakoids membranes in a bid to produced ATP, Hydrogen ion is allow to move through thylakoid space and then backflow through the proteins embedded in the thylakoids membrane called ATP synthase, which produce ATP from ADP in the mitochondrial matrix and chloroplast stroma.

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Biologists use molecular clocks to try to measure _____.
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1. Which layer is the oldest? Which layer is the youngest? How do you know?
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  2. they are highly decomposed material.
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The process of translation is responsible for producing which type of molecule?
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Explanation:

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2 years ago
How many grams of urea (non volatile, non electrolyte) must be added to 1250. g water to give a solution with a vapor pressure l
Lady bird [3.3K]

Answer:

\large\boxed{\large\boxed{107g}}

Explanation:

The <em>vapor pressure lowering</em> is a colligative property and it follows  Raoult's law.

The <em>vapor pressure lowering</em> of a solvent in a solution, ΔP, is equal to the mole fraction of the solute, Xsolute, multiplied by the vapor pressure of the pure solvent, P°.

               \Delta P=X_{solute}\times P^0

ΔP and P⁰ are given:

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<u>1. Mole fraction of solute</u>

Thus, you can calculate Xsolute:

           1.39mmHg=X_{solute}\times 55.32mmHg\\\\X_{solute}=0.02513

<u>2. Moles of solute</u>

Now you can calculate the number of moles of water and the number of moles of solute.

  • Number of moles of water = mass in grams / molar mass

  • Number of moles of water = 1,250g/18.015 (g/mol) = 69.3866mol

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  • Xsolvent = moles of solvent / moles of solution

  • 0.97487 = 69.3866mol / moles of solution

  • moles of solution = 71.1752mol

  • moles of solute = moles of solution - moles of solvent = 71.1752mol - 69.3866mol = 1.7886mol

<u>3. Mass of urea</u>

Formula:

  • Mass = number of moles × molar mass
  • Mass = 1.7886 mol × 60.06 g/mol = 107.42 g

You must round to 3 significant figures: 107 g

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Which of the following describes what can happen to an enzyme as temperature rises
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