The second question has the answer of A
Explanation:
A protein is a linear molecule comprised of amino acids.The sequence of a protein's amino acids is determined by the sequence of bases in the DNA coding for the synthesis of this protein.
People update outdated cell phones by purchasing smartphone devices.
People purchase solar panels after reading about the effects of burning coal.
People start grocery shopping online as new grocery applications are published.
Options B, C and E.
<u>Explanation:</u>
The statements that are given here talk about the change in the cultural practices of the people with the incoming of the Science and technology in their life and having an advancement of technology.
Like when people change their devices which have gone outdated to replace them with the new ones, or changing ways of shopping things from the older to new and more modern methods is change in the cultural practices because of Science.
Gram staining
Gram-positive turns pink or red
Gram negative turns dark blue or purple
