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AleksandrR [38]

3 years ago

6

A cell using protein-mediated facilitated diffusion is treated with a toxin that prevents conformation change in the membrane pr

otein. What is the most likely outcome?

1 answer:

seraphim [82]3 years ago

3 0

Answer:

The most likely outcome is that carrier protein dysfunction will increase the gradient which will lead to disruption of cellular metabolism.

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A solution of NaCl has a concentration of 1.50 M. The density of the solution is 1.06 g/mL. What is the concentration solution b

gavmur [86]

<u>Answer:</u>

<em>The concentration solution by percent in mass is 8.28%</em>

<u>Explanation:</u>

Molarity is moles of solute present in 1L of its solution .

Hence the formula is

$\left.\text {Molarity}=\frac{\text {moles of solute}}{\text {Volume of solution in } L} \text { (unit is } \frac{\text { mol }}{L} \text { or } M\right)=\frac{1.50 \mathrm{mol}}{1 \mathrm{L}}$

Let us convert the numerator and the denominator into mass in g

Numerator :

$mass $=$ moles $\times$ molar mass\\\\$=1.50 \mathrm{mol} \times 58.5 \frac{g}{\text { mol }}=87.75 \mathrm{g}$ (solute)$

Denominator :

$\begin{aligned} \text {mass} &=\text { density } \times \text {volume}=\frac{1.06 \mathrm{g}}{1 \mathrm{ml}} \times 1 \mathrm{L} \\\\ &=\frac{1.06 \mathrm{g}}{1 \mathrm{ml}} \times 1000 \mathrm{ml}=1060 \mathrm{g} \end{aligned}$

The formula to find mass percentage is

$\%$ mass $=\frac{\text { mass of solute }}{\text { mass of solution }} \times 100 \%$

$\%$ mass of $\mathrm{NaCl}=\frac{\text { mass of solute }}{\text { mass of solution }} \times 100 \%$

$$=\frac{87.75 g}{1060 g} \times 100 \%$\\$

=8.28% (Answer)

7 0

3 years ago

Read 2 more answers

The mass of an object will be the same on the Earth as it is on the Moon.<br><br><br> NEED HELP ASAP

Licemer1 [7]

Yes an objects mass does not change its mass is the density or physical makeup of an object mass is not the weight of an abject

7 0

3 years ago

For s2cl2 draw an appropriate lewis structure (clsscl). draw the molecule by placing atoms on the grid and connecting them with

Anettt [7]

Structure is drawn in attached image ..

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3 years ago

The nutrition label on the back of a package of hotdogs (purchased within the US) indicates that one hotdog contains 100 calorie

Olenka [21]

Answer:

C. 100

Explanation:

Biochemical researches and studies have found out that an average health hotdog has a calorie of between 100 and 150 which is usually dependent on the additives.

Since the nutrition label on the back of a package of hotdogs (purchased within the US) indicates that one hotdog contains 100 calories then it truly contains such amount of calories. The standard number of calories present in a hotdog is independent of the amount eaten by individuals.

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3 years ago

To make an object start moving, you must exert a force in

BaLLatris [955]

Answer: c any

Explanation:

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3 years ago