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vekshin1
4 years ago
7

A sodium-potassium pump within a cell membrane requires energy to move sodium and potassium. the movement of glucose does not re

quire energy. what is the movement of these materials
Biology
1 answer:
RideAnS [48]4 years ago
6 0
So sodium and potassium move by active transport using a pump

Glucose moves by a method of passive transport, facilitated diffusion. Ions moving with facilitated diffusion use channels, but a molecule like glucose would use a carrier protein.
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Sequence the events that take place when a motor neuron's action potential triggers a muscle contraction.
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Answer:

A,C,F,E,D,B

Explanation:

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The acetycholine binds with the receptors  on the saccolemma to causes opening of Na+ , its influx to causes depolarizarion  of the sacolemma. The depolarization of the latter spreads along the transverse tubules, This depolarization causes increases in the permeability of the sacorplasmic reticulum, with opening of ca+ channels and diffusion of Ca+ out of the  S. reticulum.

The Ca+ binds to troponin,and tropomyosin  exposed the myosin-binding sites on actin filament . The myosin head forms the cross bridges with the filament, and therefore the sacomere shortens leading causing muscle contraction.

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4 years ago
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How would clearing up pollution help address climate change?
Aleks [24]
Pollution adds heat to the air. for example: gas and smoke from cars and trucks etc. climate change will be affected because the heat will cause the weather and atmosphere around to get hotter. clearing pollution will keep the air cleaner. 
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Norma-Jean [14]

Answer:

Phosphofructokinase will be activated

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I need this one, who can help me?, please.
Tresset [83]

Answer:

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The metaphase plate is a plane or region that is about equidistant from a dividing cell's two poles.

For more information regarding Chromosomes, visit:

brainly.com/question/11912112

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