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2 years ago

Please help..

2 answers:

7 0

The correct answer for this question would be the first option. In a neuromuscular synapse, it is the enzyme acetylcholinesterase, which is located at the motor end plate, that breaks down the neurotransmitter released from the axon. This <span>is responsible for stimulating terminating the stimulation of the skeletal muscle cell to make it contract. Hope this answer helps. </span>

QveST [7]2 years ago

6 0

Hello!

Acetylcholine is the neurotransmitter released by cholinergic neurons responsible for contracting muscles (one of the major) and by learning and memory. In the case of muscle contraction, nerve transmission (in this case called neuromuscular transmission) occurs at a site called the neuromuscular junction, where the axon splits into several endings and binds to skeletal muscle fiber. It is the product of the reaction between choline (lecithin component) and acetyl-CoA in the presence of the enzyme choline acetyltransferase.

Answer:

A. The enzyme acetylcholinesterase

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Why does it take longer to boil a kettle of water than to warm the same kettle of water to a lower temperature?

lys-0071 [83]

Answer:

The reason that it takes longer to get the water to boiling temperature than it is to cool it down again is because heating in the most simple sense is inefficient and will cause a lot if energy lost while cooling is to be turn's into quite a efficient process.

Explanation:

6 0

1 year ago

) The radius of sphere measured repeated values 5.63 m, 5.54 m and 5.53 m. Determine the most

Nadusha1986 [10]

Answer:

v_{ average} = 5.57

Explanation:

The most probable value of a measure is

v_average = $\frac{1}{N}$ ∑ x_i

where N is the number of measurements

in tes case N = 3

v_{average} = ⅓ (5.63 +5.54 + 5.53)

V_{average} = 5,567

The number of significant figures must be equal to the number of figures that have the least in the readings.

v_{ average} = 5.57

3 0

2 years ago

What is the gravitational acceleration close to the surface of a planet with a mass of 9ME and radius of 3RE, where ME and RE ar

Papessa [141]

Answer:

9.78 m/s²

Explanation:

To solve this, we use the gravitational formula

g = GM/r², where

g = acceleration due to gravity

G = gravitational constant

M = mass of the planet

r = radius of the planet

From the question, we got that the mass of the planet is

M = 9ME, where ME = 5.95*10^24

M = 9 * 5.95*10^24

M = 5.355*10^25 kg

Also, the Radius of the planet, R = 3RE, where RE = 6.37*10^6

R = 3 * 6.37*10^6

R = 1.911*10^7 m

On applying the values of both R and M to the equation, we get

g = GM/r²

g = (6.67*10^-11 * 5.355*10^25) / (1.911*10^7)²

g = 3.57*10^15/3.65*10^14

g = 9.78 m/s²

Therefore, the acceleration due to gravity on the planet is 9.78 m/s²

Please vote brainliest if it helped you <3

5 0

3 years ago

An object is moving in a straight line along the y axis. As a function of time, its position is given by the equation y=3.0+4.8x

romanna [79]

Answer:

Explanation:

<u>Instant Velocity and Acceleration </u>

Give the position of an object as a function of time y(x), the instant velocity can be obtained by

$v(x)=y'(x)$

Where y'(x) is the first derivative of y respect to time x. The instant acceleration is given by

$a(x)=v'(x)=y''(x)$

We are given the function for y

$y(x)=3.0+4.8x +6.4x^2$

Note we have changed the last term to be quadratic, so the question has more sense.

The velocity is

$v(x)=y'(x)=4.8+12.8x$

And the acceleration is $a(x)=v'(x)=12.8$

5 0

3 years ago

What are at least three types of energy involving a microwave

timama [110]

I'm pretty sure what you are trying to ask for is radiative energy, light energy, and electronic energy.
Radiative since the microwave is releasing radiation,
Light since there is light inside the microwave,
Electronic since it is plugged in and uses electricity.
You can also use sound, but I don't think every microwave makes sound.

8 0

3 years ago