Highlight each glycosidic bond in the molecule below. Then answer the questions in the table under the drawing area. HO–CH, Н HO H ОН H но-сн, H НО H 0 H ОН Н ОН Н H 0 H ОН Н О CH₂2 H ОН Н 0 H ОН H 0 но-сн, H Н ОН H 0 Н Н ОН OH

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**Title: Understanding Glycosidic Bonds in Carbohydrates**

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**Introduction:**

In biochemistry, glycosidic bonds are essential for linking carbohydrate molecules. This diagram represents a segment of a polysaccharide, a complex carbohydrate composed of multiple monosaccharide units. 

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**Diagram Explanation:**

1. **Structure:**
   - The image depicts a chain of four glucose molecules linked together.
   - Each glucose molecule is composed of a six-membered ring (hexose) with hydroxyl groups (OH), hydrogen atoms (H), and one CH₂OH side group.

2. **Glycosidic Bonds:**
   - Glycosidic bonds are the covalent bonds formed between two monosaccharide molecules.
   - In this structure, glycosidic bonds are the single lines connecting the oxygen atom (O) on one glucose unit to the carbon atom (C) on the adjacent glucose unit.

3. **Linkage Detail:**
   - The bond occurs between the first carbon (C1) of one glucose and the fourth carbon (C4) of the next. This is known as an α(1→4) glycosidic linkage.
   - The image may have more elaborate branching or linkages depending on the specific polysaccharide structure (e.g., α(1→6) bonds).

4. **Additional Features:**
   - Hydroxyl groups (OH) not involved in glycosidic linkages are present around the ring, contributing to the molecule’s solubility and reactivity.

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**Activity:**

**Task:** Highlight each glycosidic bond in the molecule.

**Follow-up Questions:**
1. What is the type of glycosidic bond present?
2. How does the structure of this polysaccharide relate to its function in biological systems?

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Learning about glycosidic bonds helps students understand how complex carbohydrates form and function in living organisms.
Transcribed Image Text:**Title: Understanding Glycosidic Bonds in Carbohydrates** --- **Introduction:** In biochemistry, glycosidic bonds are essential for linking carbohydrate molecules. This diagram represents a segment of a polysaccharide, a complex carbohydrate composed of multiple monosaccharide units. --- **Diagram Explanation:** 1. **Structure:** - The image depicts a chain of four glucose molecules linked together. - Each glucose molecule is composed of a six-membered ring (hexose) with hydroxyl groups (OH), hydrogen atoms (H), and one CH₂OH side group. 2. **Glycosidic Bonds:** - Glycosidic bonds are the covalent bonds formed between two monosaccharide molecules. - In this structure, glycosidic bonds are the single lines connecting the oxygen atom (O) on one glucose unit to the carbon atom (C) on the adjacent glucose unit. 3. **Linkage Detail:** - The bond occurs between the first carbon (C1) of one glucose and the fourth carbon (C4) of the next. This is known as an α(1→4) glycosidic linkage. - The image may have more elaborate branching or linkages depending on the specific polysaccharide structure (e.g., α(1→6) bonds). 4. **Additional Features:** - Hydroxyl groups (OH) not involved in glycosidic linkages are present around the ring, contributing to the molecule’s solubility and reactivity. --- **Activity:** **Task:** Highlight each glycosidic bond in the molecule. **Follow-up Questions:** 1. What is the type of glycosidic bond present? 2. How does the structure of this polysaccharide relate to its function in biological systems? --- Learning about glycosidic bonds helps students understand how complex carbohydrates form and function in living organisms.
**Instructions for Identifying Glycosidic Bonds and Potential Polymer Origins**

1. **Glycosidic Bonds Identification:**
   - Examine the molecule provided above.
   - List the symbols for each type of glycosidic bond present.
   - For instance, if there are three α,γ(1 ➝ 5) glycosidic bonds, record it as "α,γ(1 ➝ 5)".
   - If multiple types of glycosidic bonds exist, separate each symbol with a comma.

2. **Polymer Identification:**
   - Determine if the molecule could be a small fragment of any polymers listed.
   - Check the corresponding box for each potential polymer:
     - ☐ DNA
     - ☐ RNA
     - ☐ amylose
     - ☐ glycogen
     - ☐ cellulose
     - ☐ amylopectin  

Ensure accuracy in identification to enhance understanding of molecular structures and their polymeric connections.
Transcribed Image Text:**Instructions for Identifying Glycosidic Bonds and Potential Polymer Origins** 1. **Glycosidic Bonds Identification:** - Examine the molecule provided above. - List the symbols for each type of glycosidic bond present. - For instance, if there are three α,γ(1 ➝ 5) glycosidic bonds, record it as "α,γ(1 ➝ 5)". - If multiple types of glycosidic bonds exist, separate each symbol with a comma. 2. **Polymer Identification:** - Determine if the molecule could be a small fragment of any polymers listed. - Check the corresponding box for each potential polymer: - ☐ DNA - ☐ RNA - ☐ amylose - ☐ glycogen - ☐ cellulose - ☐ amylopectin Ensure accuracy in identification to enhance understanding of molecular structures and their polymeric connections.
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