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Savatey [412]
3 years ago
5

Chemical transmitters can stimulate any receptor site to initiate an action.

Biology
1 answer:
dimaraw [331]3 years ago
4 0
Not true, certain chemical transmitters stimulate certain receptors
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Which key features of schizoaffective disorder distinguish it from schizophrenia?
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The major features of schizoaffective disorder which clearly delineate it from schizophrenia are marked symptoms of schizophrenia coupled with major depressive episode or manic episode. Both schizoaffective disorder and schizophrenia are primary psychotic disorders.

4 0
3 years ago
Place these events in the correct order of occurrence in the muscle contraction: End plate potential triggers an action potentia
Sunny_sXe [5.5K]

Answer:

1. Acetylcholine binds to receptors on the motor end plate

2. Ligand-gated channels open leading to depolarization

3. End plate potential triggers an action potential  

4. Transverse tubules convey action potentials into the interior of the muscle fiber

5. Calcium is released from the sarcoplasmic reticulum

6. Calcium ions bind to troponin, which then moves tropomyosin

Explanation:

Acetylcholine (ACh) is a signaling molecule (neurotransmitter) that binds to receptors on muscle cells. This binding triggers the opening of ligand-gated sodium channels, thereby ions enter into muscle cells, which causes the depolarization of the sarcolemma and thus promotes the release of Ca2+ ions from the sarcoplasmic reticulum. The myoneural junction, also known as the motor endplate, is the site of synaptic contact between a motor axon and a skeletal muscle fiber. The endplate potential is the voltage that produces the depolarization of muscle fibers when ACh molecules bind to their receptors in the cell membrane. This depolarization spreads in the sarcolemma through transverse tubules (T tubules​) and thus generates an action potential. Finally, this action potential induces the release of Ca2+ in the sarcoplasmic reticulum, which activates troponin protein and induces muscle contraction.

4 0
3 years ago
How does h2o and co2 get transported into the chloroplast?
mixas84 [53]

Answer:

<h2>The chloroplast is involved in both stages of photosynthesis. The light reactions take place in the thylakoid. There, water (H2O) is oxidized, and oxygen (O2) is released. ... In these reactions, the energy from ATP and NADPH is used to fix carbon dioxide (CO2).</h2>

Explanation:

<h2>hope this helps you</h2><h2>Mark my answer as brainalist</h2>
5 0
3 years ago
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A. Excess fertilizer is washed into local streams,

causing an overgrowth of algae.

Explanation:

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3 years ago
The enzyme amylase can break glycosidic linkages between glucose monomers only if the monomers are the α form. Which of the foll
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"Glycogen, starch, and amylopectin" are the ones among the following choices given in the question that amylase could break <span>down. The correct option among all the options that are given in the question is the first option or option "a". I hope that this is the answer that has practically come to your desired help.</span>
7 0
3 years ago
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