Answer:
Quaternary structure
Explanation:
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A protein can be characterized by:
Primary structure: it is the linear sequence of amino acids.
Secondary structure: The amino acid sequence is folded by intermolecular interactions.
Tertiary structure: A greater folding of amino acids is observed by intermolecular interactions and disulfide bridges.
Quaternary structure: Two or more chains of folded amino acids join to form a new, more complex structure.
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Answer:
b.
They can convert the sun's energy into food.
The continental drift is what caused plate tectonics
Answer: D. Made of only one kind of atom
Explanation:A compound forms whenever two or more atoms form chemical bonds with each other.
