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Mumz [18]
3 years ago
7

Acetylcholine receptors are best characterized as what type of channel? Acetylcholine receptors are best characterized as what t

ype of channel? voltage-gated Na+-K+ channels chemically gated Na+-K+ channels voltage-gated Ca2+ channels chemically gated Ca2+ channels
Biology
1 answer:
exis [7]3 years ago
4 0

Answer:

Chemically gated Na+-K+ channels

Explanation:

The acetylcholine receptors are the receptors or ion channel proteins which are considered the transmembrane proteins. The acetylcholine receptors are of two types depending on the ligand which binds that is either nicotinic or either muscarinic receptors.

When the acetylcholine binds the receptor molecule, the ion channels open up and allows the passage of the sodium and potassium ios which depolarizes the membrane potential and generates the action potential in the neuron.

Thus, Chemically gated Na+-K+ channels is correct.

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What mechanism allows for a contraction of the highlighted cell?
krek1111 [17]

The answer is sliding filament.

Muscle fibers are made up of myosin and actin filaments that straddle one another in alternating sequence. The myosin has myosin heads that act on the actin and enable the myofibrils to slide across each other in opposite directions. This causes the muscle to shorten hence contract. This is an energy-requiring process (hence hydrolyses ATP) and also requires calcium ions. In an animation, the myosin would seem to ‘walk’ on the actin filament.


6 0
3 years ago
What stage of mitosis is depicted in the diagram below ?
iVinArrow [24]

Answer:

anaphase, think a=apart and the chromosomes are being pulled apart

7 0
3 years ago
If  you had a strand of DNA 100 base pairs long with 38 Adenine bases, how many Guanine nitrogenous bases would you have? E
quester [9]

Answer:If a DNA double helix is 100 nucleotide pairs long and contains 25 adenine bases, how many guanine bases does it contain? Well, we have to know the base pairs for DNA first. Adenine only bonds with thymine with two hydrogen bonds, while guanine only bonds with cytosine with three hydrogen bonds. Bonding pairs can also happen vice-versa.

Explanation:

can i get ya numba?

3 0
2 years ago
Read 2 more answers
If the sympathetic nervous system prepares your body for ____________, the parasympathetic nervous system prepares your body for
lesantik [10]
The closest answer is C

The sympathetic nervous system is the part of the autonomic nervous system that prepares the body to react to stresses such as threat or injury.

The parasympathetic nervous system is the part of the autonomic nervous system that controls functions of the body at rest.
5 0
4 years ago
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I need a poem about Photosynthesis and Cellular Respiration: has to have at least 20 lines and includes these words: ATP, Carbon
Neporo4naja [7]

Photosynthesis The Poem

I stand as a plant.

But what do I need?

I cannot make a sandwich

to feed.

But lucky for me

I have Photosynthesis, you see!

I take the Carbon Dioxide

And some water too

Altogether, I have Glucose for food

This gives me ATP energy

Which I need to survive

And so I do not come to my demise

But this also makes oxygen

Which I do not need

So I give it to humans so they can breathe.

Cellular Respiration is what they use

a little bit of oxygen

glucose tagging along too

they produce water and CO2

the mitochondria capture the energy

and use it

to power you so you can make tea!

My superpower may seem unreal

but it's not I promise

as crazy as it may feel.

My leaves grow big and strong

To reach out and soak up sunlight

that's far beyond.

I have organelles in my cells

that humans do not

They're called Chloroplasts just like you thought!

And they give me food like the chips you bought.

Chloroplasts take the suns light

And use it to make me food

like the glucose I eat every night!

Please don't laugh, I tried my hardest lol

Do whatever you'd like with it, take snippets of it or don't use it at all but either way I hope it helps a little!

4 0
3 years ago
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