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mash [69]
2 years ago
5

1. What property is shown on the x-axis of the H-R diagram?

Biology
1 answer:
babunello [35]2 years ago
3 0

Answer:

These diagrams, called the Hertzsprung-Russell or HR diagrams, plot luminosity in solar units on the Y axis and stellar temperature on the X axis, as shown below.

Explanation:

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An action potential causes the release of neurotransmitters by:________.
seraphim [82]

Answer:

b) opening calcium pores in the membrane

Explanation:

The opening of calcium  ions channels facilitates the migration of vesicles containing neurotransmitters in the pre-synaptic neurons  to the tip of the post-synaptic membrane. at the <u>neuromuscular  junction </u>These neurotransmitters can either be <u>cholinergic or non-chorlinergic.</u>   <u>At the tip  of the pre-synaptic membranes the vesicles empty their neurotransmitter contents into the synapse.</u>

The neurotransmitters,  diffuse through the neuromuscular junction to bind  with the receptors on the <u>post-synaptic membrane on the post-synaptic neuron.</u> This  stimulates opening of<u> ligand gated sodium ions,</u> and sodium ions  diffuse into the post-synaptic neuronal membrane, to cause <u>depolarization</u>. if the stimulus is  up to the threshold levels   it  generate action potential.

Therefore , more calcium ions channels opening produces; more diffusion of neurotransmitters;leading to opening of more sodium channels for depolarization; and IPSP or EPSP  generation.

5 0
3 years ago
A person who is infected by a parasitic worm is likely to have an increased level of eosinophils.
Serggg [28]
The correct answer is True.

I hope this helps you and have a great day!! :)
5 0
3 years ago
What type of survivor ship curve do humans have?
Hatshy [7]
The answer is.....Type I or convex curves are characterized by high age-specific survival probability in early and middle life, followed by a rapid decline in survival in later life. They are typical of species that produce few offspring but care for them well, including humans and many other large mammals.
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Whom you think the reason for corona viruses​
morpeh [17]

Answer:

I think freemason leaders

3 0
3 years ago
These white blood cells are particularly attracted to sites of parasitic infections. They are known as
Harman [31]
<span>They are known as eosinphils

Hope this helped.

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8 0
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