The monosaccharides are white, crystalline solids that contain a single aldehyde or ketone functional group. Although energy storage is one important role for polysaccharides, they are also crucial for another purpose: providing structure. In contrast to unsaturated fats, triglycerides without double bonds between carbon atoms are called saturated fats, meaning that they contain all the hydrogen atoms available. Therefore, carbon atoms can form up to four covalent bonds with other atoms to satisfy the octet rule. Functional groups are usually classified as hydrophobic or hydrophilic depending on their charge or polarity characteristics. 2.3 Carbon - Biology 2e | OpenStax Excess glucose, the amount synthesized that is beyond the plants immediate energy needs, is stored as starch in different plant parts, including roots and seeds. The answer to that is that it depends on the final structure of the carbohydrate. Solved 1) What are carbohydrates and what are | Chegg.com Figure 1. Glucose, galactose, and fructose are all hexoses. Answer 1) Carbohydrates are one of the three macronutrients (along with proteins and fats) that are essential for the human body. Direct link to J Wu's post Well, single bonds allow , Posted 7 years ago. Key Terms hydrophobic: lacking an affinity for water; unable to absorb, or be wetted by water Classification according to Functional group Aldose sugars having an aldehyde functional group R-HC=O Ketose sugars having a ketone functional group R 2 -C=O A carbohydrate must be at least a tetrose to do that, so intramolecular cyclic forms don't exist for smaller carbohydrates. Direct link to Lim Pin Seng's post No, single bonds stereois, Posted 3 years ago. Direct link to junkbox's post If CH2OH is on the same s, Posted 4 years ago. Starch is the stored form of sugars in plants and is made up of a mixture of amylose and amylopectin; both are polymers of glucose. Carbohydrates are chains (or polymers) of basic sugar molecules such as glucose, fructose and galactose. Carbohydrates are simple sugar derivatives like glucose, fructose, and galactose that are linked together (or polymerized). These groups play an important role in the formation of molecules like DNA, proteins, carbohydrates, and lipids.
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