Had to look for the options and here is my answer.
Given the situation that a poison is consumed and this prevented the acetylcholine release, the one that would most likely occur at a myoneural junction is that "sodium and potassium gates on the motor end plate will not open". Hope this helps.
Are there options, because I believe the answer is D.
A maximum of four bonds can be used between two atoms.
<u>Explanation:</u>
Ionic bond is one of the strongest bond used in chemical reaction where the valence electrons are bonded and shared between the atoms. Sometimes four covalent bonds between two atoms might make them unstable as the bonds are formed in their outermost shell to make them to form or complete a total of 8 in their shell. For example carbon has 3 as maximum.
The separation between the lines of the grating is 13.33μm.
<h3>What is diffraction grating?</h3>
The diffraction grating is the continuous lines with very minute slits or grating space in mm. It divides light composed of various wavelengths into light components by particular wavelength.
dsinθ = nλ
Substitute n =3, λ =490 x 10⁻⁹ m and angle θ =6.33°, we get
d = [3 x 490 x 10⁻⁹ /sin 6.33°]
d = 13.33 x 10⁻⁶ m
Thus, the separation between the lines of the grating is 13.33μm.
Learn more about diffraction grating.
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Efficiency =Velocity Ratio/Mechanical Advantage *100%
80%=6/MA*100%
Therefore MA=7.5
MA=Load/Effort
7.5=300/E
E=300/7.5
E=40
