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pashok25 [27]
2 years ago
12

How do large molecules move across the cell membrane through facilitated diffusion?

Biology
1 answer:
Svetlanka [38]2 years ago
8 0

Answer:

Explanation:

In facilitated diffusion, molecules diffuse across the plasma membrane with assistance from membrane proteins, such as channels and carriers. A concentration gradient exists for these molecules, so they have the potential to diffuse into (or out of) the cell by moving down it.

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The landforms indicated by the arrows in the image are common features off the coast of Mississippi. What are these features?
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Answer:

b) barrier islands

Explanation:

I looked up Mississippi barrier islands and they were a thing.

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What information would be most relevant to determining the time of death?
Nuetrik [128]

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5 0
3 years ago
What is the gap between the two neurons known as?<br><br> motor<br> reflex<br> stimulus<br> synapse
jonny [76]

Explanation:

The gap between the two neurons is known as a synapse.

5 0
2 years ago
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The ______________________ picks up whole and partial neurotransmitters from the synaptic gap and brings them into the terminal
Verdich [7]

The <u>vesicles</u> pick up whole and partial neurotransmitters from the synaptic gap and bring them into the terminal button, where other structures recycle these neurotransmitters for future use.

Within the presynaptic terminals is where the synthesis of the small-molecule neurotransmitters takes place. A process known as slow axonal transport is responsible for moving enzymes from the neuronal cell body to the cytoplasm of nerve terminals at a rate of 0.5–5 millimetres each day. These enzymes are necessary for the production of transmitters and are produced in the neuronal cell body. Transporter proteins, which are typically located in the plasma membrane of the nerve terminal, are the ones responsible for bringing the precursor chemicals that these synthetic enzymes use into the terminal. Enzymes produce a neurotransmitter pool in the cytoplasm, which must then be loaded into synaptic vesicles using transport proteins in the vesicular membrane. Within the synaptic vesicles, the final synthetic steps of the production of certain small-molecule neurotransmitters are actually carried out.

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5 0
2 years ago
There were 21 tricycle wheels in the driveway. A tricycle has 3 wheels. How many tricycles were in the driveway?
Over [174]

There were 7 tricycles in the driveway

5 0
3 years ago
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