The fused ring steroid nucleus of cholesterol is shown below. Add atoms as necessary to show...
The fused ring steroid nucleus of cholesterol is shown below. Add atoms as necessary to show the entire structure of cholesterol.
Homework Answers
The problem is based on structural determination of a cholesterol.
Cholesterol is a steroid which is found in almost all living beings. It is a precursor of various metabolic functions that take place in the biological systems. Structural determination of cholesterol can be done on the basis of its fused ring nucleus.
To determine the structure of cholesterol, draw the fused ring nucleus form and then add the side chains or substituents in order to complete the structure.
The structure of fused ring nucleus structure is given below:
The overall structure of cholesterol is given below:
The overall structure of cholesterol is given below:
Add Answer to:
The fused ring steroid nucleus
of cholesterol is shown below. Add atoms as necessary to show...
Give Up? Hint Assignment Score: Resources 100/300 Check Answer Question 2 of 3 > The fused-ring...
Give Up? Hint Assignment Score: Resources 100/300 Check Answer Question 2 of 3 > The fused-ring steroid nucleus of cholesterol is shown. Add atoms as necessary to show the entire structure of cholesterol. Select Rings Draw More Erase C H !!!
Part A Select the carbon atoms of the steroid nucleus in the molecule of cholesterol shown....
Part A Select the carbon atoms of the steroid nucleus in the molecule of cholesterol shown. Note that the hydrogen atoms have been omitted for clarity Identify the appropriate group of atoms by selecting each atom individually on the canvas and assigning them a map number of 1 until all atoms are mapped. To do this, right-click on an atom and choose Atom Properties. (Mac users: Use an equivalent for right-clicking.) Then, clear the check mark to enable the Map...
Part A Select the carbon atoms of the steroid nucleus in the molecule of cholesterol shown....
Part A Select the carbon atoms of the steroid nucleus in the molecule of cholesterol shown. Note that the hydrogen atoms have been omitted for clarity. Identify the appropriate group of atoms by selecting each atom individually on the canvas and assigning them a map number of 1 until all at are mapped. To do this, right-click on an atom and choose Atom Properties. (Mac users: Use an equivalent for right-clicking.) Then, clear the check mark to enable the Map...
Some examples of steroids are given below. Draw the basic ring structure of a steroid.
Some examples of steroids are given below. Draw the basic ring
structure of a steroid.
Problem 6. (30 points) The molecule shown below is a common steroid. Redraw this steroid as...
Problem 6. (30 points) The molecule shown below is a common steroid. Redraw this steroid as a careful perspective drawing, using chair conformations for the cyclohexane rings and a reasonable conformation for the cyclopentyl group. The Bring should have the same conformation as the chair cyclohexane you drew in problem 1. You do not need to show all of the hydrogens on the rings; it is only necessary to show the substituents and hydrogens that I have shown explicitly. You...
please help 4. For each pair of structures below circle the most relatively stable one. Show...
please help
4. For each pair of structures below circle the most relatively stable one. Show work by drawing relevant chair structures and/or Newman projections as needed) to clearly illustrate why. It is best practice here that only the most stable conformations for each compound are being compared in each set. For clarity. provide a few words that explain your analysis when comparing the illustrations. (12pts total for this problem) (a) ♡ va ♡ 5. (a) (3pts) Look up trans-decalin...
20. (6 pts.) Examine the structure of the steroid hormone progesterone shown below. Circle ALL of...
20. (6 pts.) Examine the structure of the steroid hormone progesterone shown below. Circle ALL of the stereogenic tetrahedral carbon atoms. You do NOT need to determine the configurations. Note: a small penalty will be deducted for circling extra non-stereogenic carbon atoms. OCH
A glycerol molecule and three butyric acid molecules are shown below. Delete atoms and add bonds...
A glycerol molecule and three butyric acid molecules are shown
below. Delete atoms and add bonds as necessary to form a
triacylglycerol (triglyceride). Draw only the triacylglycerol
product.
An incomplete Lewis structure is shown below. The structure onlyshows the atoms and how they...
An incomplete Lewis structure is shown below. The structure only
shows the atoms and how they are connected. The molecule has a net
charge of zero.Complete the Lewis structure giving all atoms full octets. If
there is more than one way to do this, draw resonance structures
showing all possibilities. If not, just draw one Lewis structure.
Be sure to write in any non-zero formal charges. ADD ALL STRUCTURES
NECESSARY
5. (a) (3pts) Look up trans-decalin and cis-decalin in your text book. Which of these is...
5. (a) (3pts) Look up trans-decalin and cis-decalin in your text book. Which of these is not able to undergo a chair-flip? Briefly explain. с The tetracyclic structure (shown below) is comprised of rings A,B,C, and D and it represent a typical steroid skeleton along with the numbering scheme used for this class of compounds. The methyl (Me) groups and hydrogens (H) atoms shown are at the bridgehead positions and stereochemistry has been shown for clarity. 112 Me D (b)...
Give Up? Hint Assignment Score: Resources 100/300 Check Answer Question 2 of 3 > The fused-ring steroid nucleus of cholesterol is shown. Add atoms as necessary to show the entire structure of cholesterol. Select Rings Draw More Erase C H !!!
Part A Select the carbon atoms of the steroid nucleus in the molecule of cholesterol shown. Note that the hydrogen atoms have been omitted for clarity Identify the appropriate group of atoms by selecting each atom individually on the canvas and assigning them a map number of 1 until all atoms are mapped. To do this, right-click on an atom and choose Atom Properties. (Mac users: Use an equivalent for right-clicking.) Then, clear the check mark to enable the Map...
Part A Select the carbon atoms of the steroid nucleus in the molecule of cholesterol shown. Note that the hydrogen atoms have been omitted for clarity. Identify the appropriate group of atoms by selecting each atom individually on the canvas and assigning them a map number of 1 until all at are mapped. To do this, right-click on an atom and choose Atom Properties. (Mac users: Use an equivalent for right-clicking.) Then, clear the check mark to enable the Map...
Some examples of steroids are given below. Draw the basic ring
structure of a steroid.
Problem 6. (30 points) The molecule shown below is a common steroid. Redraw this steroid as a careful perspective drawing, using chair conformations for the cyclohexane rings and a reasonable conformation for the cyclopentyl group. The Bring should have the same conformation as the chair cyclohexane you drew in problem 1. You do not need to show all of the hydrogens on the rings; it is only necessary to show the substituents and hydrogens that I have shown explicitly. You...
please help
4. For each pair of structures below circle the most relatively stable one. Show work by drawing relevant chair structures and/or Newman projections as needed) to clearly illustrate why. It is best practice here that only the most stable conformations for each compound are being compared in each set. For clarity. provide a few words that explain your analysis when comparing the illustrations. (12pts total for this problem) (a) ♡ va ♡ 5. (a) (3pts) Look up trans-decalin...
20. (6 pts.) Examine the structure of the steroid hormone progesterone shown below. Circle ALL of the stereogenic tetrahedral carbon atoms. You do NOT need to determine the configurations. Note: a small penalty will be deducted for circling extra non-stereogenic carbon atoms. OCH
A glycerol molecule and three butyric acid molecules are shown
below. Delete atoms and add bonds as necessary to form a
triacylglycerol (triglyceride). Draw only the triacylglycerol
product.
An incomplete Lewis structure is shown below. The structure only
shows the atoms and how they are connected. The molecule has a net
charge of zero.Complete the Lewis structure giving all atoms full octets. If
there is more than one way to do this, draw resonance structures
showing all possibilities. If not, just draw one Lewis structure.
Be sure to write in any non-zero formal charges. ADD ALL STRUCTURES
NECESSARY
5. (a) (3pts) Look up trans-decalin and cis-decalin in your text book. Which of these is not able to undergo a chair-flip? Briefly explain. с The tetracyclic structure (shown below) is comprised of rings A,B,C, and D and it represent a typical steroid skeleton along with the numbering scheme used for this class of compounds. The methyl (Me) groups and hydrogens (H) atoms shown are at the bridgehead positions and stereochemistry has been shown for clarity. 112 Me D (b)...
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