Hemiacetal - Study guides, Class notes & Summaries

What is the general formula for a carbohydrate? - Correct Answer Cx(H2O)y How do you determine the number of stereoisomers for a given carbohydrate? - Correct Answer 2^n where n= number of stereocenters Distinguish between the D and L designations for carbohydrates. - Correct Answer In the L form the hydroxy group is on the bottom left closest to the CH2OH group in the frame of a Fischer projection In the D form the OH is on the bottom right What are anomers? - Correct Answer Diast...

Monosaccharides - ANSWER-Soluble in water due to OH groups (always have either an aldehyde or ketone) Formula: (CH2O)n, where n is at least 3 Carbohydrate numbering - ANSWER-Always starts at the carbonyl; aldehyde is C1, ketone is C2 L vs. D isomers - ANSWER-Named based on left (l) vs. right (d) orientation of OH group Capital lettering given to highest-number chiral carbon; D is physiologically relevant Number of stereoisomers - ANSWER-2^x, where x is the number of chiral carbons x = tot...

CHEM 1020 Test 3 Questions with All Correct Answers Which of the following choices is a carbohydrate? - ANSWER galactose What is not a carbohydrate? - ANSWER deoxyribose Which of the following groups are expected to be found in carbohydrates? - ANSWER alcohol What characteristic of carbohydrates is not is not commonly found in the previously studied classes of compounds? - ANSWER carbohydrates often contain a functional group on each carbon The simplest carbohydrates are called - ANSW...

Chem 210 Exam 4 Questions and Correct Answers, Complete Solution 2024. In order to make an alcohol we can do what types of reactions? addition reactions and oxidation reactions of alcohol What are the two types of addition reactions? hydration of alkene and addition reactions of H2 to C=O We need to figure out if alcohol is a... 1º, 2º, and 3º Ketone addition of H2 to make an alcohol is what type of alcohol? 2º Aldehyde addition of H2 to make an alcohol is what type of alcohol? 1...

MCAT Exam Prep Questions and Answers Latest 2023/2024 | 100% Verified. How do beta particles behave in electric and magnetic fields? Beta decay releases electrons - negatively charged particles are deflected by electric and magnetic fields Does blood flow faster through capillaries or arteries? Why? Blood flows faster through arteries - capillaries have a greater NET cross-sectional area Which has higher BP: systemic or pulmonary circulation? Explain why. Systemic has a higher BP - pulmonar...

Organic Chemistry 202 Synthetic Transformations, Top Exam Questions & answers, Rated A+ reduction of an aldehyde or ketone to an alcohol LiAlH4 or NaBH4 H3O H2O lithium dialkyl cuprate reagent from an alkyl halide 4 Li metal CuI reduction of a nitro group to an amine Zn(Hg) HCl reduction of a benzyl carbonyl H2/Pd or Zn(Hg) HCl NAS (normal condition must be 1 EWG ortho/para to leaving group) nucleophile (–OH, –OR, R3N) benzyne reactions 1) NaOH 2) dilute acid benzyne...

Portage Learning CHEM 210 exams 1-8 and final exam Question 1 3 / 3 pts True or False: According to the Module, a compound with a molecular mass of 1,000 g/mol is considered a macromolecule. True Correct! False Question 2 3 / 3 pts True or False: Biomolecules can have only two functional groups. True Correct! False Question 3 3 / 3 pts True or False: The following functional group is an alcohol. True Correct! False Question 4 3 / 3 pts True or False: In ...

Biochem module 4 exam questions and answers already graded A 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 ...

CHEM 1020 Test 3 Questions with All Correct Answers Which of the following choices is a carbohydrate? - ANSWER galactose What is not a carbohydrate? - ANSWER deoxyribose Which of the following groups are expected to be found in carbohydrates? - ANSWER alcohol What characteristic of carbohydrates is not is not commonly found in the previously studied classes of compounds? - ANSWER carbohydrates often contain a functional group on each carbon The simplest carbohydrates are called - ANSW...

AAMC Sample Test C/P Questions and Answers 2023 Agonist -a molecule that, by binding to a receptor site, stimulates a response. -something that acts in a similar fashion to something else 2. How many stereoisomers of Compound 1 exist? A.8 B.16 C.32 D.64 The answer is C. I got it wrong and put B because I incorrectly counted 4 chiral centers when there is 5. 2^n rule. 5. Which image best illustrates the electric field lines between the inside of an axon and the surrounding...