Answer:
The carbon cycle is the biogeochemical cycle by which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of the Earth.
Answer:
The answer to your question is:
Explanation:
1._<u>Terciary</u>__ structure is achieved when a protein folds into a compact, three-dimensional between side-chain R groups of amino acids.
2._<u>Primary</u>___ structure is the sequence of amino acids in a protein.
3._<u>Secondary</u>___ structure describes the alpha helices and beta-sheets that are formed by hydrogen bonding between backbone atoms located near each other in the polypeptide chain.
4._<u>Quaternary</u>___ structure is the result of two or more protein subunits assembling to form a larger, biologically active protein complex.
I would like to help you, but you are not showing the options. just their letter.