Answer: D
Explanation: The side chain of amino acids is projected outward from the outer helical surface
The answer is B since climate change is already a huge issue in today’s society
Answer: D) it is used to transfer genetic info
Explanation: :)
They’re both cells but prokaryotic cells only have dna and no organelles. Eukaryotic cells have organelles and dna. They both have dna.
The elements in each group have the same number of electrons in the outer orbital. Those outer electrons are also called valence electrons. They are the electrons involved in chemical bonds with other elements. Every element in the first column (group one) has one electron in its outer shell.