Answer:
b. cobalt, iron, and nickel
Explanation:
The correct answers are "sugar" and "amino acids." We can find this answer within the name itself. The prefix "glyco-" relates to producing sugar (think glucose and glycogen, which are both forms of sugar), and the suffix "proteins" is exactly that: proteins (which are made up of amino acids). So, when we say glycoprotein, we can think "sugar-protein," which gives us our answer.
Example - the relatively rigid covering of a plant cell, containing cellulose, hemicellulose, lignin, etc.<span>
non example - </span><span>Mycoplasma because it has no cell wall</span>
The Sun and the planets formed together, 4.6 billion years ago, from a cloud of gas and dust called the solar nebula. A shock wave from a nearby supernova explosion probably initiated the collapse of the solar nebula. The Sun formed in the center, and the planets formed in a thin disk orbiting around it