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3 years ago

The condition of skeletal muscle fatigue can be best explained by

1 answer:

6 0

Adenosine triphosphate (ATP) is the fuel for muscle contraction. In muscle cells, ATP is used for the active transport of calcium ions (Ca2+) and the movement of motor proteins.

The condition of skeletal muscle fatigue can be best explained by insufficient intracellular quantities of ATP due to excessive consumption.

Muscle cells contain a high amount of mitochondria because they need to create more ATP to function than other cells.

During skeletal muscle fatigue, ATP is resynthesized by the oxidation of carbohydrates and the anaerobic use of phosphocreatine.

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Salsk061 [2.6K]

This question can be solved using Hardy-Weinberg equation. The equation would be:
a+b=1
a^2+2ab+b^2=1

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The frequency of b allele would be: 0.6

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3 years ago

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4 years ago

assume that life on Mars requires cell potential to be 100mV, and the extracellular concentrations of the three major species ar

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Answer:

Explanation:

From the information given:

The cell potential on mars E = + 100 mV

By using Goldman's equation:

$E_m = \dfrac{RT}{zF}In \Big (\dfrac{P_K[K^+]_{out}+P_{Na}[Na^+]_{out}+P_{Cl}[Cl^-]_{out} }{P_K[K^+]_{in}+P_{Na}[Na^+]_{in}+ P_{Cl}[Cl^-]_{in}} \Big )$

Let's take a look at the impermeable cell with respect to two species;

and the two species be Na⁺ and Cl⁻

$E_m = \dfrac{RT}{zF} In \dfrac{[K^+]_{out}}{[K^+]_{in}}$

where;

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F = faraday constant

∴

$100 \times 10^{-3} = \Big (\dfrac{8.314 \times 298}{1\times 96485} \Big) \mathtt{In} \Big ( \dfrac{4}{[K^+]_{in}} \Big)$

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$3.981= \mathtt{In} \Big ( \dfrac{4}{[K^+]_{in}} \Big)$

$exp ( 3.981) = \dfrac{4}{[K^+]_{in}} \\ \\ 53.57 = \dfrac{4}{[K^+]_{in}}$

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For [Cl⁻]:

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$-3.981 = \ \mathtt{In} \Big ( \dfrac{120}{[Cl^-]_{in}} \Big)$

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$[Cl^-]_{in} = \dfrac{120}{0.01867}$

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For [Na⁺]:

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$53.57= \Big ( \dfrac{145}{[Na^+]_{in}} \Big)$

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