Let's break down the question step-by-step: --- ## **Step 1: Identify Glycosidic Bonds** A **glycosidic bond** is a type of covalent bond that joins a carbohydrate (sugar) molecule to another group, which could also be a carbohydrate. In disaccharides and polysaccharides, these bonds form between the anomeric carbon of one sugar and a hydroxyl group of another. --- ## **Step 2: Locate the Glycosidic Bonds in the Molecule** In the given image, you have a chain of sugar units (glucose monomers) joined together, forming a polysaccharide. The glycosidic bonds are the **oxygen bridges (O)** connecting the sugar rings. ### **How to Identify the Glycosidic Bond** - Look for an oxygen atom connecting the 1-carbon of one glucose unit to the 4-carbon (or another carbon) of the adjacent unit. - In the image, these are the **red highlighted bonds**. --- ## **Step 3: Explanation** ### **a. Which Atoms are Involved?** - The glycosidic bond forms between the **anomeric carbon (carbon 1)** of one glucose unit and the **hydroxyl group (usually carbon 4 or 6)** of the next glucose unit. ### **b. What is the Bond Type?** - In this molecule, the bond is an **O-glycosidic bond** (oxygen bridge). ### **c. What are the Linkages?** - If it’s a 1→4 linkage, it’s called an **α(1→4) glycosidic bond** (if the anomeric carbon is in the alpha configuration). - If it’s a 1→6 linkage, it’s an **α(1→6) glycosidic bond**. --- ## **Step 4: Final Answer** ### **Final Answer:** - The glycosidic bonds in the molecule above are the **red-highlighted oxygen bridges** between the glucose units. - These bonds join the **anomeric carbon (C1) of one glucose** to the **hydroxyl group (usually C4 or C6) of the next glucose**. --- ## **Summary Table** | Feature | Description | |---------------------------|--------------------------------------------------| | Glycosidic bond location | Red-highlighted O bridges between glucose units | | Atoms involved | C1 of one glucose and O of C4/C6 of next glucose | | Type of bond | O-glycosidic (α(1→4) and/or α(1→6)) | --- ### **Diagram (from image):** - Each red-marked bond is a glycosidic bond. --- **In conclusion:** **The glycosidic bonds are the red-highlighted oxygen bridges connecting the sugar rings, specifically between the anomeric carbon (C1) of one glucose and the hydroxyl group (C4 or C6) of the adjacent glucose.**