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2 years ago

What happens when muscle cells are triggered?

Chemistry

2 answers:

love history [14]2 years ago

6 0

Answer:

When myocytes (aka muscle cells) are triggered at a certain point for awhile it can cause strain and pain throughout the muscle.

BartSMP [9]2 years ago

5 0

Answer:

calcium ions are released from its store inside the sarcoplasmic reticulum, into the sarcoplasm (muscle ).

Explanation:

You might be interested in

A chemist adds of a M copper(II) fluoride solution to a reaction flask. Calculate the mass in micrograms of copper(II) fluoride

anygoal [31]

The question is incomplete, here is the complete question.

A chemist adds 345.0 mL of a 0.0013 mM (MIllimolar) copper(II) fluoride $CuF_2$ solution to a reaction flask.

Calculate the mass in micrograms of copper(II) fluoride the chemist has added to the flask. Be sure your answer has the correct number of significant digits.

Answer : The mass of copper(II) fluoride is, 0.13 mg

Explanation : Given,

Millimolarity of copper (II) fluoride = 0.0013 mM

This means that 0.0013 millimoles of copper (II) fluoride is present in 1 L of solution

Converting millimoles into moles, we use the conversion factor:

1 moles = 1000 millimoles

So, $0.0013mmol\times \frac{1mol}{1000mmol}=1.3\times 10^{-6}mol$

To calculate the number of moles, we use the equation:

$\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}$

We are given:

Moles of copper (II) fluoride solution = $1.3\times 10^{-6}mol$

Molar mass of copper (II) fluoride = 101.5 g/mol

Putting values in above equation, we get:

$1.3\times 10^{-6}mol=\frac{\text{Mass of copper (II) fluoride}}{101.5g/mol}\\\\\text{Mass of copper (II) fluoride}=(1.3\times 10^{-6}mol\times 101.5g/mol)=1.32\times 10^{-4}g$

Converting this into milligrams, we use the conversion factor:

1 g = 1000 mg

So,

$\Rightarrow 1.32\times 10^{-4}g\times (\frac{1000mg}{1g})=0.13mg$

Therefore, the mass of copper(II) fluoride is, 0.13 mg

7 0

3 years ago

What is the point of an object where the force of gravity is considered to act?

svetlana [45]

Answer:

Center of gravity

Explanation:

Gravity always acts downward on every object on earth . Gravity multiplied by the objects mass produces a force called weight. Although the force of an objects weight acts downwards on every partial of the object , it is usually considered to act as a single force through its balance point , or center of gravity.

5 0

3 years ago

I want an easy definition for solar flares plzzz

prisoha [69]

Solar flares- When magnetic energy is suddenly released.

4 0

4 years ago

A computer monitor uses 200 W of power. How much energy does it use in<br> 10 seconds?

andriy [413]

Answer:

2000 Joules.

Explanation:

Wattage = Energy / t

Energy is in joules

wattage is in watts

t is in seconds.

W = 200 watts

E = ????

t = 10 seconds

E = W * t

E = 200 * 10

E = 2000 Joules

7 0

3 years ago

A 30.0g sample of O2 at standard temperature and pressure (STP) would occupy what volume in liters

Murrr4er [49]

Answer:

Explanation:

A 30.0g sample of O2 at standard temperature and pressure (STP) would occupy what volume in liters

PV =nRT

at STP P= 1atm. T= 273 K

n is the number of moles. O2 has a molar mass of 32.

30 gm of O2 is 30/32= 0.94 =n

PV = nRT

at STP: P= 1 atm, T=273 K, R is always 0.082 for P in atm and T in K

1 X V = 0.94 X 0.082 X 273

using high school freshman algebra,

V= 0.94 X 0.082 X 273 = 21L

using high school algebra I,

6 0

2 years ago