Aldose - Study guides, Class notes & Summaries

Which of the following monosaccharides is a ketose? Dihydroxyacetone Galactose Glucose Glyceraldehyde Idose -dihydroxyacetone When two carbohydrates are epimers: One is a pyranose, the other a furanose One is an aldose, the other a ketose They differ in length by one carbon They differ only in the configuration about one carbon atom They react differently with iodine -They differ only in the confirmation about one carbon atom -D.) alpha-D-glucose and bet

MCDB Exam 2 Questions & Answers 2023/2024 Monosaccharides - ANSWER-Aldehydes/ketones w/ 2 or more hydroxyl groups Dextrose (D-glucose) most common sugar -ends in 'ose' Oligosaccharides - ANSWER-20 sugars or less (short!) joined w/ glycosidic linkages Disaccharides most common Sucrose (most common) = D-glucose + D-fructose Polysaccharides - ANSWER-20 linked monosaccharides (up to thousands) Some or linear/some branched Starch and cellulose differ greatly in function, both are p...

M4: Problem Set Due No due date Points 5 Questions 16 Time Limit None Attempt History Attempt Time Score LATEST Attempt 1 30 minutes 5 out of 5 Score for this quiz: 5 out of 5 Submitted Apr 20 at 12:08am This attempt took 30 minutes. Question 1 0 / 0 pts Your Answer: Is the following molecule an aldose or ketose? Briefly explain. There is a C=O on the third carbon from the top, making this molecule a ketose. PORTAGE LEARNING M4: M4 PROBLEM SET BIOCHEMISTRY ketose. There is a C=O on...

Biochem Module 4 Exam 1. which of the following monosaccharides is not an aldose? a. erythrose b. dihydroxyacetone c. glucose d. glyceraldehyde e. ribose b. dihydroxyacetone 2. when two monosaccharides are epimers: a. they differ only in the configuration about the penultimate carbon b. one is an aldose, the other a ketose c. they differ only in the configuration about one carbon atom d. they form o-glycosidic bonds e. they are oligosaccharides c. they differ only in the configur...

What is free energy? correct answers Energy available to do work What is the difference between exothermic and endothermic reactions? correct answers Exothermic releases heat, endothermic absorbs heat What is reaction coupling? correct answers Linking exothermic and endothermic reactions to drive unfavorable reactions What is Le Chetalier's Principle? correct answers System will shift to counteract stress How do you calculate free energy of coupled reactions? correct answers Add the...

Monosaccharides - correct answer __________ are the simplest Carbohydrates Carbohydrates are aldoses or ketoses that are rich in hydroxyl groups. - correct answer Carbohydrates are _________ or ________ that are rich in ___________. An aldose is a carbohydrate with an aldehyde group (as in glyceraldehyde and glucose), whereas a ketose contains a keto group (as in dihydroxyacetone and fructose). - correct answer What is an Aldose? What is a ketose? if the absolute configuration of ...

Which amino acid is not chiral? a. Proline b. Glycine c. Tryptophan d. Histidine e. Isoleucine correct answers b. Glycine Do nucleic acids have a charge at the physiological pH? a. Nucleic acids are positively charged due to phosphate groups in a back bone b. Nucleic acids are not charged molecules c. Nucleic acids are negatively charged due to phosphate groups in a back bone d. Sugars in nucleic acids are positively charged, so nucleic acid molecules are negatively charged correct a...

Organic Chemistry 2223 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A+ 2 / 45 1. Phylloquinone and Menaquinone: are the common names of Vitamin K1 and Vitamin K2. -are fat soluble vitamins that play a role in carboxylation in clotting 3 / 45 ers of glycerol und in cell uos ch as a 8. triacylglycerol: A lipid consisting of three fatty acids linked to one glycerol molecule; also called a fat or triglyceride. are neutral storage lipids. The...

Properties of waxes ~~> low melting points, stable solids, appear in both plants and animals in nature a wax coat protects the surface of many plant leaves from water loss and attack from microorganisms What defines a carbohydrate? ~~> aldehydes & ketones with many OH groups, or substances that form these when hydrolyzed Where do carbohydrates come from? ~~> primary products of photosynthesis- extracts carbon from atmosphere and creates carbs out of that carbon How a...

Monosaccharides generally have how many carbons in a chain? ANSWER: 3 to 6 What is the general formula for a monosaccharide? ANSWER: Cn H2n On Aldoses are monosaccharides containing a(an) _____________ group. ANSWER: Aldehyde Ketoses are monosaccharides containing a(an) _________________ group. ANSWER: Ketone Are monosaccharides polar or non polar? ANSWER: Polar Do monosaccharides have a low or high melting point? Deeagles - Stuvia ANSWER: High The presence of so many polar f...