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dmitriy555 [2]
1 year ago
8

8. A soft-drink bottle resoNtes as air is blown across its top. What happens to the resoNnce frequency as the level of fluid in

the bottle decreases?
Biology
1 answer:
mina [271]1 year ago
4 0
Let me know if you need help :)

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What ions, ATP, and neurotransmitters are used in muscle contraction and where are they used??
vivado [14]

Answer:

Hiya there!

Explanation:

ATP then binds to myosin, moving the myosin to its high-energy state, releasing the myosin head from the actin active site. ATP can then attach to myosin, which allows the cross-bridge cycle to start again; further muscle contraction can occur.

acetylcholine : Skeletal muscle contraction and changes with exercise. (A) Neurotransmitter (acetylcholine, ACh) released from nerve endings binds to receptors (AChRs) on the muscle surface.

The muscle contraction cycle is triggered by calcium ions binding to the protein complex troponin, exposing the active-binding sites on the actin. As soon as the actin-binding sites are uncovered, the high-energy myosin head bridges the gap, forming a cross-bridge.

Credit sourced from "bio.libretexts.org"

Hope this <em><u>Helped!</u></em> :D

4 0
2 years ago
Guys I need help with the first one pls I will appreciate it
zhuklara [117]

Answer:

I'm almost positive it's answer c. :)

7 0
2 years ago
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This picture is illustrating
Mashutka [201]
I, seems to be the answer, because its not a sexual reproduction, (this occurs in cells, its not sexual reproduction, you would need the egg and sperm.
8 0
2 years ago
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Davy made a model of the water cycle by adding some water inside a plastic bag, sealing the bag, and placing it in a sunny area.
Ad libitum [116K]

<em>Davy made a model of the water cycle by adding some water inside a plastic bag, sealing the bag, and placing it in a sunny area. He noticed that the level of the water went down, and then some droplets appeared on the sides of the bag. which part of the water cycle caused water droplets to form on the side of the plastic bag?  </em>

<em>(a) condensation (b) evaporation (c) precipitation runoff</em>

The part of the water cycle that caused water droplets to form on the side of the plastic bag would be condensation.

<h3>What is condensation?</h3>

It is a process whereby water vapor in the atmosphere condenses or turns back into liquid.

Condensation is as opposed to evaporation. The latter is a process whereby liquid water turns into vapor water. In other words, evaporation and condensation are words and opposites.

Both processes play a major role in the water cycle of the ecosystem.

More on condensation can be found here: brainly.com/question/15563071

#SPJ2

4 0
2 years ago
The nitrogenous base adenine can pair with, what?
svlad2 [7]
The nitrogenous base that pairs with Adenine is Thymine.
5 0
2 years ago
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