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Carbohydrates Biological importance? Which significance do these have? List details. Name and draw the key functional...
Which correctly describes the functional significance of the RNA structures? Select one: a. Local base-parings are...
Which correctly describes the functional significance of the RNA structures? Select one: a. Local base-parings are the key causes of unique RNA 3-D structures. b. RNAs have various 3-D structures for their biological functions. c. Changes in RNA structures are employed in controls of transcription and/or translation. d. The termination hairpins or the riboswitches are the actual examples. e. All of these
15. Which correctly describes the functional significance of the RNA structures? Select one: a. Local base-parings...
15. Which correctly describes the functional significance of the RNA structures? Select one: a. Local base-parings are the key causes of unique RNA 3-D structures. b. RNAs have various 3-D structures for their biological functions. c. Changes in RNA structures are employed in controls of transcription and/or translation. d. The termination hairpins or the riboswitches are the actual examples. e. All of these
9: Characterization of Carbohydrates - Pre-Lab Assignment Name Section is that it describes the carbon 1....
9: Characterization of Carbohydrates - Pre-Lab Assignment Name Section is that it describes the carbon 1. The classification system for monosaccharides is similar to the IUPAC naming system chain length and carbonyl group of simple sugars." a) Indicate the two structural features specified by the "aldotriose classification b) Now draw the structure of an "aldotriose.“ 2. or the carbohydrate diagnostic tests, the Benedict's Test for reducing gars" is perhaps the most significant, as it was once the standard test for...
Question1 a) What are carbohydrates? b) What is the origin of the name carbohydrate? c) Explain...
Question1 a) What are carbohydrates? b) What is the origin of the name carbohydrate? c) Explain why the empirical formulae of monosaccharides do not define monosaccharides. d) Explain the basis for the existence of so many types of monosaccharides in nature e) Write 3 other names for carbohydrates. Question 2 a) Draw the structures of the monosaccharides listed below. i. D-erythrose ii. L-threose ii. D-threose b) Question 3 a) Discuss the stereoisomeric relationships between D-erythrose, D-threose and L-threose Draw the...
Lipids Describe the building-block molecules, structure, and biological importance of fats, phospholipids, and steroids. Why are...
Lipids Describe the building-block molecules, structure, and biological importance of fats, phospholipids, and steroids. Why are lipids classed together? Do lipids have monomers? Distinguish between saturated and unsaturated fats. Distinguish between cis and trans fat molecules. What are some of the health risks associated with trans fats? Describe how phospholipids orient to form membranes. Which part of a phospholipid is hydrophobic? Which part is hydrophilic? What are the three classes of lipids? List two important biological functions of a steroid....
QUESTIONS 1. Draw 2 different skeletal isomers of C7H16. 2. Draw 2 different functional isomers of C3H8O. 3. Compare th...
QUESTIONS 1. Draw 2 different skeletal isomers of C7H16. 2. Draw 2 different functional isomers of C3H8O. 3. Compare the information given by molecular formulas, structural formulas, and molecular models. 4. Why wouldn't CH3CH2CH2CH2CH2CH2CH2CH3 turn out as a straight line if you were to build the model? 5. State the molecular geometry for each of the following: a. a central carbon that has 4 single bonds b. a central carbon that has one double bond and two single bonds 6....
What happens when the body does not have enough carbohydrates or fats in supply as an...
What happens when the body does not have enough carbohydrates or fats in supply as an energy source What effect does this have on the body? Name Two conditions associated with deficiencies in protein 10. List two distinct ways in which minerals differ from vitamins II. For each food source list the mineral or minerals that each provides A Egg B. Milk C Cher D. Salmon E. Bananas F. Green vegetables 12. List six types of fiber that are carbohydrates,...
Consider the structures of casein and lactose Your manual states: "Casein is a phosphoprotein, meaning that phospha...
Consider the structures of casein and lactose Your manual states: "Casein is a phosphoprotein, meaning that phosphate groups are attached to the hydroxyl functions of some of the amino acid side-chains." Based on this sentence. provide the name and structure of at least two functional groups that must be present in a. casein b. Lactose is a disaccharide. Provide the name and structure of at least two functional groups that must be present in lactose. You must include the functional...
Draw the structure(s) of all alkane(s) that have 7 carbons, 2 of which are tertiary. You do...
Draw the structure(s) of all alkane(s) that have 7 carbons, 2 of which are tertiary. You do not have to consider stereochemistry. If more than one structure fits the description, draw them all. Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right comer. Separate structures with + signs from the drop-down menu.
2. List the trend of relative reactivity of compounds in: SN2 & SN1. Indicate which favors...
2. List the trend of relative reactivity of compounds in: SN2 & SN1. Indicate which favors 1°, 2° or 3° carbon. 3. What makes a good leaving group, or poor leaving group in a substitution reaction? List examples. 4. What makes a good nucleophile or poor nucleophile group in a substitution reaction? List examples. Be able to identify the nucleophile in a reaction. 5. What makes a good solvent for an SN2 reaction? List examples. Assign R & S to...
9: Characterization of Carbohydrates - Pre-Lab Assignment Name Section is that it describes the carbon 1. The classification system for monosaccharides is similar to the IUPAC naming system chain length and carbonyl group of simple sugars." a) Indicate the two structural features specified by the "aldotriose classification b) Now draw the structure of an "aldotriose.“ 2. or the carbohydrate diagnostic tests, the Benedict's Test for reducing gars" is perhaps the most significant, as it was once the standard test for...
Question1 a) What are carbohydrates? b) What is the origin of the name carbohydrate? c) Explain why the empirical formulae of monosaccharides do not define monosaccharides. d) Explain the basis for the existence of so many types of monosaccharides in nature e) Write 3 other names for carbohydrates. Question 2 a) Draw the structures of the monosaccharides listed below. i. D-erythrose ii. L-threose ii. D-threose b) Question 3 a) Discuss the stereoisomeric relationships between D-erythrose, D-threose and L-threose Draw the...
QUESTIONS 1. Draw 2 different skeletal isomers of C7H16. 2. Draw 2 different functional isomers of C3H8O. 3. Compare the information given by molecular formulas, structural formulas, and molecular models. 4. Why wouldn't CH3CH2CH2CH2CH2CH2CH2CH3 turn out as a straight line if you were to build the model? 5. State the molecular geometry for each of the following: a. a central carbon that has 4 single bonds b. a central carbon that has one double bond and two single bonds 6....
What happens when the body does not have enough carbohydrates or fats in supply as an energy source What effect does this have on the body? Name Two conditions associated with deficiencies in protein 10. List two distinct ways in which minerals differ from vitamins II. For each food source list the mineral or minerals that each provides A Egg B. Milk C Cher D. Salmon E. Bananas F. Green vegetables 12. List six types of fiber that are carbohydrates,...
Consider the structures of casein and lactose Your manual states: "Casein is a phosphoprotein, meaning that phosphate groups are attached to the hydroxyl functions of some of the amino acid side-chains." Based on this sentence. provide the name and structure of at least two functional groups that must be present in a. casein b. Lactose is a disaccharide. Provide the name and structure of at least two functional groups that must be present in lactose. You must include the functional...
Draw the structure(s) of all alkane(s) that have 7 carbons, 2 of which are tertiary. You do not have to consider stereochemistry. If more than one structure fits the description, draw them all. Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right comer. Separate structures with + signs from the drop-down menu.
2. List the trend of relative reactivity of compounds in: SN2 & SN1. Indicate which favors 1°, 2° or 3° carbon. 3. What makes a good leaving group, or poor leaving group in a substitution reaction? List examples. 4. What makes a good nucleophile or poor nucleophile group in a substitution reaction? List examples. Be able to identify the nucleophile in a reaction. 5. What makes a good solvent for an SN2 reaction? List examples. Assign R & S to...
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