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antoniya [11.8K]
3 years ago
13

An empty truck and a fully loaded truck are next to each other at a traffic light. When the light turns green, the lighter truck

increases speed more quickly. Which of these best explains this situation?
Biology
2 answers:
mote1985 [20]3 years ago
7 0
It is lighter with less mass so it can get grip faster and speed up faster because it doesn't have as much weight pulling it down
sukhopar [10]3 years ago
7 0

it Newton's second first law

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3.The reduced potential causes hundreds of a)________________________ channels to open on that part of the cell membrane. The de
wlad13 [49]

The reduced potential causes hundreds of <u>voltage-gated sodium</u> channels  to open on that part of the cell membrane. The depolarization of the cell causes more of <u>voltage-gated sodium </u>channels to open in adjacent parts of the cell membrane. This begins the wave of of <u>depolarization</u>  moving down the axon. Depolarization begins at the <u>axon hillock.</u>

Explanation:

When there is no neuron signaling it becomes polarized, termed as resting membrane potential (RMP) at a threshold voltage (around -55 mV), due to the action of the sodium-potassium pump and the potassium leak channels.  

When a change in the RMP occurs, depolarization takes place which causes the voltage-gated sodium channels to open and sodium ions rush into the nerve cell which in turn will increase the voltage threshold to nearly around +40 mV and also charges the neuron positive. This depolarization moves down the axon. This increase in threshold stops the sodium influx and opens the potassium channels to rush the potassium out of the cell.

All these actions decrease the membrane potential leading to a wave of depolarization and going back to resting state. Depolarization begins depending upon the potential gradient at the axon hillock.

8 0
3 years ago
An object has a mass of 8.00 kg. what is the force due to gravity in the object
givi [52]

Answer:

Explanation:

When a mass of 8 kg is located on the Earth's surface, the magnitude of each of

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      (mass) x (acceleration of gravity on Earth) =

     (8.0 kg) x (9.81 m/s²) =

               78.48 kg-m/s²  =  78.48 newtons  (about 17 pounds 10.2 ounces)

4 0
3 years ago
Define adult stem cells. Explain the pros and cons of Adult Stem Cells
WARRIOR [948]

Answer:

hi hope this helped you

3 0
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What is the other name for an eye piece
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eye piece is also known as ocular lens

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Most enzymes can function within a rather broad pH range, approximately 3-12.
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The answer is true hope it helps
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