Answer:
A. proteins
Explanation:
Amino acids builds up the proteins.
It's a region of DNA that binds DNA Polymerase to begin replication.
Earthworms have no special respiratory organs. Gases are exchanged through the moist skin and capillaries
Yes
Explanation:
If two bottles are made up of the same substances, their particles are identical and the same.
According to the law of constant composition "all pure samples of the same chemical compounds contain the same proportions of the elements by mass".
- Every time we have a particular substance, it has the same percentage composition
- If we have two bottles lets say containing water.
- Both bottles would be made up of water molecules with two atoms of hydrogen and 1 atom of oxygen in their composition.
- So they contain the same substances that are the same and identical.
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Compound brainly.com/question/10216585
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