The highly polar nature of compounds containing carboxyl groups can be attribute
ID: 189706 • Letter: T
Question
The highly polar nature of compounds containing carboxyl groups can be attributed to: The difference between a hexose sugar (like glucose) and a pentose sugar (like ribose) is that: 1· 6. a. a hexose is saturated, and a pentose is b. a hexose is hydrophilic, and a pentose is ahexose always has six hydroxy!poups, and a a) the presence of two highly electronegative carbon b. the presence of two highly electropositive carbon the presence of two highly electronegative oxygen atoms the presence of two highly electropositive oxygen c. pentose always has five a hexose always has six carbons, but a pentose always has five carbons a hexose can be polymerized, but a pentose d. d. e. None of the above. c. the covalent bonds between hydrogen and carbon are practically nonpolar. 7. Which one of the following carbohydrates is the most a. b. they contain functional groups c. they exist as isomers. structurally complex? a. sucrose b. fructose Both A and B. cellulose c. Both A and C 3. Which of these terms is most inclusive? 8. In which of the following reactions must a water molecule be added in order to break a bond? b. starch c. polysaccharide d. disaccharide fatty acids + glycerol fat glucose +fructose sucrose glycogen glucose a sline ecier ipeptide 4. Carbohydrate molecules: glucose cellulose a. serve as structural components of human cell 9. Which of the following illustrates hydrolysis? b. form the regulatory compounds known as enzymes are a source of energy help protect vital organs from damage. contain the genetic information of a cell. a. the reaction of two monosaccharides to form a b. the reaction of two amino acids to form a c the reaction of a hydrogen atom and a hydroxide d) the reaction of a fat to form glycerol and fatty c the formation of ATP from ADP and inorganic e. ion to form water A chemical reaction in which organic compounds are synthesized from their building blocks is called: 5. a. hydrolysis. b.) condensation. Pething hem tegote c. oxidation. d. reduction. e. dissociation A carbohydrate energy storage molecule found in animal liver and muscle cells is 10. glycogen c. cellulose d. fatty acids c. cholesterol.Explanation / Answer
2. (e)
With nonpolar covalent bonds, not at all like polar covalent bonds, there is an equivalent sharing of electron between the Carbon atoms and the Hydrogen atoms. In this way, there is no charge partition in the particle and it can't form hydrogen bonds with water. More often than not, non polar mixes are not water dissolvable on the grounds that they contain neither ionic group nor polar functional group that can cooperate positively with water atoms. Numerous hydrocarbons exist as isomers, which are aggravates that have the same atomic recipe yet different structures.
3. (e)
Carbohydrate (additionally called saccharides) are sub-atomic mixes produced using only three components: carbon, hydrogen and oxygen. Monosaccharides (e.g. glucose) and disaccharides (e.g. sucrose) are moderately small particles. They are regularly called sugars. Other sugar atoms are substantial (polysaccharides, for example, starch and cellulose).so most inclusive is carbohydrate.
4. (c)
Living life forms utilize carbohydrate as available energy source to fuel cell responses. e.g. glucose and a store of energy, e.g. starch in plants.
5. (b)
A condensation reaction is a class of an organic addition reaction that proceeds in a step-wise fashion to produce the addition product, usually in equilibrium, and a water molecule (hence the name condensation).
6. (d)
They are both monosaccharides (sugars) hexose means there are 6 carbon atoms and pentose means there are 5 carbon atoms.
7. (c)
Except cellulose others are mono or disaccharides.
8. (c)
Except option (c) other Options are condensation.
9. (d)
Only option D is breakdown, other options are synthesis of addition.
10. (b)
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