The correct answer is d: '<span>the protective coats of both groups are made of chitin'
Chitin is </span><span>a long-chain </span>polymer <span>derivative of </span>glucose, with a structural function in various groups of animals and plants, such as <span>of </span>cell walls<span> of </span>fungi<span>, </span>exoskeletons<span> of </span>arthropods <span>and the scales of </span>fish. It can be compared in function to keratin found in our hair and nails.
I don’t know if i’m correct or not but i think it’s a glycan cross-linkage
Answer:
A, the chromosomes dont ¨relax¨.
Explanation:
Chromosomes during telophase are doing all exept A