Concept explainers
a
To compare:
The structures of ribose and 2-deoxyribose, and also explain how they are different.
Introduction:
The
b.
To determine:
Which one is found in DNA and RNA.
Introduction:
The nucleotide is composed of pentose sugar, phosphate group and nitrogenous bases. Nucleic acid is formed of nucleotide. There are two types of nucleic acid which are DNA and RNA. RNA is involved in transcription and translation whereas DNA acts as genetic material that carries information from one generation to another.
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EBK LABORATORY MANUAL FOR GENERAL, ORGA
- When two molecules of monosaccharides react with each other, the products are a disaccharide and O A. a lipid O B. water O C. starch O D. CO2 O E. a polysaccharide Reset Selection P Type here to search OVOarrow_forwardA glycosidic bond connects two monosaccharides to create sucrose (more commonly known as table sugar). Identify the type of glycosidic bond connecting the monosaccharides together as well as these two monosaccharides that are found in sucrose. a. α,ß-1,2-glycosidic bond, ß-L-glucose, and α- L-fructose b. α,ß-1,2-glycosidic bond, α-D-galactose, and ß-D-glucose c. α-1,4-glycosidic bond, α-D-glucose, and ß-D-fructose d. α,ß-1,2-glycosidic bond, α-D-glucose, and ß-D-fructosearrow_forwardClassify the following monosaccharide. a. carboxylic acid heptose b. aldohexose c. alcohol pentose d. ketohexose e. deoxyhexosearrow_forward
- Explain the following briefly. a. Can Seliwanoff’s test be used to differentiate sucrose from fructose? b. Explain how starch works as an antidote for iodine poisoning.arrow_forward2. Enzymes catalyse the degradation of biomolecules, like starch and cellulose, into simple sugar glucose. Why can humans digest starch but not cellulose?arrow_forwardÇH2OH CH2OH CH2OH ÇH2 но OH OH но OH Но OH OH OH OH OH OH OH 3. What two monosaccharides make up lactose? & 4. What two monosaccharides make up sucrose? & 5. What two monosaccharides make up mannose? &arrow_forward
- The disaccharide found in germinating grain is a. amylase b. lactose c. maltose d. sucrose Invert sugar is composed of a 1:1 mixture of a. sucrose and glucose b. lactose and sucrose c. galactose and fructose d. glucose and fructosearrow_forwardWhich compound will give a deep blue-black colored solution when treated with iodine? A. starch B. D-glucitol sucrose C. D-fructose D. D-galactose 1. Seliwanoff's tests is used to distinguish a monosaccharide from a disaccharide. A. a reducing sugar from a nonreducing sugar. B. a ketose from an aldose. C. a monosaccharide from a polysaccharide. D. a polysaccharide from a disaccharide.arrow_forwardClassify the following monosaccharide. a. ketohexose b. carboxylic acid pentose c. amino heptose d. aldopentose e. alcohol hexosearrow_forward
- Classify the following monosaccharide. a. aldotetrose b. ketopentose c. carboxylic acid pentose d. deoxyhexose e. aldohexosearrow_forwardDirections: Choose the letter of the best answer. Use a separate sheet of paper. 1. Nutritional chemists have found that burning 1 gram of fat releases twice the amount of heat energy as burning 1 gram of starch. Based on this information, which type of biomolecule would cause a person to gain more weight? A. carbohydrate B. fat C. proteins D. nucleic acid Which biomolecular group carries and passes on the hereditary information 2. of the organism? C. nucleic acids D. proteins A. carbohydrates B. lipids Lipids are insoluble in water because lipid molecules are A. hydrophilic B. neutral Atom is the basic unit of a chemical element. What are the atoms that 3. C. hydrophobic D. Zwitter ions 4. make up carbohydrates? A. C and H C. C, H and O D. C, H, O and N B. C, H and N 5. Which organic molecules are the primary energy source of the human body? C. nucleic acids A. carbohydrates B. lipids D. proteinsarrow_forward1. which of the following is a correct pairing of terms? a. structural polysaccharide; glucose b. storage polysaccharide; cellulose C. structural polysaccharide; strach d. storage polysaccharide; glycogen 2. which of the following disaccharides produces two of the same monosaccharides upon hydrolysis? a. sucrose b. maltose C. glucose d. fructose 3. What is the generic molecular formal for a carbohydrate? a. CnH2nOn b. CH2O c. CnH2n+2 d. C6H1206arrow_forward
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