Sodium, potassium, chloride and calcium ions are important for establishing the resting potential of the cell. The sodium-potassium gradient is maintained by a pump which transports 2 potassium inside the cell and 3 sodium ions outside the cell.
Answer:
Long necks were a random genetic change and resulted in the gradual increase of organisms with long necks.
Threatened means they are lowering in numbers and nearing to be endangered.
Endangered means they are dangerously close to being extinct
Extinct means there is none of them left in the wild.
I hope this is what you meant.
Explanation:
ATP is the short form of Adenosine Triphosphate. The molecule is made up of three basic things:
- Adenine ring
- Ribose sugar
- Three phosphate groups(triphosphate)
This molecule is provides the energy needed for life processes when broken down.
The elements that makes up ATP are:
- Carbon(C)
- Hydrogen(H)
- Nitrogen(N)
- Oxygen(O)
- Phosphorus(P)
Learn more:
ATP brainly.com/question/4957918
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