Which of the following are true of proteoglycans? Core protein with attached sul

Question

Which of the following are true of proteoglycans? Core protein with attached sulfated glycosaminoglycan's; Some are ganglion sides that contribute to blood type Components of the bacterial cell wall leading to gram positive or gram negative bacteria Serve many functions including components of connective tissues and found in Joints serve many functions including participating in cell adhesion. Which of the following amino acid side chains are common linkage sites for the carbohydrate portions of glycoproteins? Choose all correct answers. Use the following to answer the next few questions. 12-14. Which of the above structures are examples of sugar alcohols? (Choose all correct) A B C 0 E F G H Which of the structures are 0 sugars? (choose all correct) A B C D E F G H Which of the above would be amino sugars? (choose all correct) A B C D E F G H Which of the following is/are a component of the cell wall of bacteria? hyaluronic acid heparin peptidoglycan glycoprotein gtycolipid

Explanation / Answer

12. The Sugar Alcohols are molecules B & G where the -CHO group is reduced to -CH2OH group.

13. The molecules A, C, G & H are D-Sugars as the lowest -OH group is at the right side. The molecule E also has the -OH group at the right side but as the -CH2OH group is oxidized to -COOH group this molecule can not be considered as sugar.

14. The Amino Alcohols are molecules D & H where one of the -OH groups is replaced by -NH2 group.

15. Peptidoglycan is the main component of Bacterial Cell Wall.

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