Indicate which of the following lipids are polar and which are non-polar? 1. Ergosterol 2. Phosphatidylethanolamine...
Indicate which of the following lipids are polar and which are non-polar?
1. Ergosterol
2. Phosphatidylethanolamine
3. Arachidonic acid
4. Coenzyme Q8
5. Rhamnolipid
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Indicate which of the following lipids are polar and which are
non-polar?
1. Ergosterol
2. Phosphatidylethanolamine...
()2. I discovered a new mushroom species, Agaricus flurkeatus, and identified some of the lipids in...
()2. I discovered a new mushroom species, Agaricus flurkeatus, and identified some of the lipids in the stalk. I found ergosterol and an ergosterol ester (in small amounts) containing arachidonic acid. I also found small amounts of mixed triglycerides containing predominantly linoleic and palmitic fatty acids. There was also a small amount of "free" myristic fatty acid. Phosphatidyl serine was much more abundant than phosphatidylcholine in the cap. A triacyighycerol lipase was present that hydrolyzed some of the triglycerides extracted...
Chemistry 1604 In class Lipids Name: Malio Gomez 1. Draw the following two fatty acids and circle the unsaturated fa...
Chemistry 1604 In class Lipids Name: Malio Gomez 1. Draw the following two fatty acids and circle the unsaturated fatty acid. 18:2412.15 20:0 w Which of the following molecules is NOT a naturally occurring fatty acid? 2. а но" с. Но b. CH3(CH2) CH=CH(CH2) CO2H d. Which of the fatty acids below has the highest melting point? 3. stearic acid но arachidonic acid palmitic acid c. arachidonic acid b. palmitic acid stearic acid a. for for short-term energy storage and...
1. Which of the following statements describes lipids? A) Lipids all have the steroid backbone. B)...
1. Which of the following statements describes lipids? A) Lipids all have the steroid backbone. B) The body stores excess calories as lipids. C) Lipids are insoluble in water, but soluble in nonpolar solvents. D) Lipids are soluble in water, but insoluble in nonpolar solvents. E) Lipids are insoluble in all solvents 2. Which of the following type of molecule is not a lipid? A) amino acid B) triglyceride C) phospholipid D) steroid E) eicosanoid 3. Which type of lipid...
From your results, rank the standard lipids by increasing order of polarity for each of the...
From your results, rank the standard lipids by increasing order
of polarity for each of the two chromatographic conditions that
were assessed. Include the chemical structures of all lipids
standards and, for each one, identify the polar groups. For each
pair of standards, compare the polarity ranking within members of
the pair. Explain your reasoning.
Pair 1: FA (fatty acid) & PC (phosphatidylcholine)
Pair 2: PI (phosphatidylinositol) & PE
(phosphatidylethanolamine)
Pair 3: CL (cardiolipin) & CH (cholesterol)
CS / CHO O...
Indicate which of the following molecules is non-polar: Select one: Br: :Br: BO O a O...
Indicate which of the following molecules is non-polar: Select one: Br: :Br: BO O a O b. H-S-H O C. d. :C1: :c:
1. Draw out the other 2 structures for C2H2Cl2. Determine if they are polar or non-polar....
1. Draw out the other 2 structures for C2H2Cl2. Determine if they are polar or non-polar. 2. Draw out the other 2 structures of NO3-. What property does this particular molecule have? Answer the following questions about the molecule PCl3. 1. Determine the number of valence electrons. 2. Draw out the Lewis structure of PCl3. 3. What geometry does PCl3 exhibit? 4. What would you expect the bond angle to be? 5. Is PCl3 polar or non-po
Which statement is not true? A) Lipids are found in cell membranes. B) Lipids are soluble...
Which statement is not true? A) Lipids are found in cell membranes. B) Lipids are soluble in organic solvents. C) There are many different types of lipids. D) All lipids contain fatty acids. E) Some hormones are lipids. The overall three-dimensional shape of a protein is determined by its ___and is known as the _ structure of a protein. 1. a) amino acid residues/primary 2.b) amino acid residues/tertiary 3.c) isoelectric point/secondary 4. d) hydrogen bonding/secondary Which is a means that...
12) Which statement is NOT true? A) There are many different types of lipids. B) Lipids...
12) Which statement is NOT true? A) There are many different types of lipids. B) Lipids are found in cell membranes. C) Some hormones are lipids. D) Lipids are soluble in organic solvents. E) All lipids contain fatty acids. 13) The process of building up new molecules in the coll is called A) glycolysis. B) catabolism. C) anabolism. D) metabolism. E) transamination 14) Which of the following does not require energy from ATP hydrolysis? A) digestion B) synthesis of an...
Which of the following statements about lipids is FALSE? a) Fatty acids are amphipathic molecules that...
Which of the following statements about lipids is FALSE? a) Fatty acids are amphipathic molecules that can form micelles in aqueous solution. b) Triglycerides store less energy than a similar mass of glycogen. c) Prostaglandin and thromboxane are important signaling molecules that are fatty acid derivatives. d) Steroid hormones are sufficiently non-polar to diffuse through cell membranes without the help of a transporter. e) Phospholipids are amphipathic molecules that can form vesicles in aqueous solution.
identify your answer. (2 pts ea) 12) Which statement is NOT true? A) There are many different types of lipids. B)...
identify your answer. (2 pts ea) 12) Which statement is NOT true? A) There are many different types of lipids. B) Lipids are found in cell membranes. C) Some hormones are lipids D) Lipids are soluble in organic solvents. E) All lipids contain fatty acids. 13) The process of building up new molecules in the coll is called A) glycolysis. B) catabolism. C) anabolism. D) metabolism E) transamination. 14) Which of the following does not require energy from ATP hydrolysis?...
()2. I discovered a new mushroom species, Agaricus flurkeatus, and identified some of the lipids in the stalk. I found ergosterol and an ergosterol ester (in small amounts) containing arachidonic acid. I also found small amounts of mixed triglycerides containing predominantly linoleic and palmitic fatty acids. There was also a small amount of "free" myristic fatty acid. Phosphatidyl serine was much more abundant than phosphatidylcholine in the cap. A triacyighycerol lipase was present that hydrolyzed some of the triglycerides extracted...
Chemistry 1604 In class Lipids Name: Malio Gomez 1. Draw the following two fatty acids and circle the unsaturated fatty acid. 18:2412.15 20:0 w Which of the following molecules is NOT a naturally occurring fatty acid? 2. а но" с. Но b. CH3(CH2) CH=CH(CH2) CO2H d. Which of the fatty acids below has the highest melting point? 3. stearic acid но arachidonic acid palmitic acid c. arachidonic acid b. palmitic acid stearic acid a. for for short-term energy storage and...
From your results, rank the standard lipids by increasing order
of polarity for each of the two chromatographic conditions that
were assessed. Include the chemical structures of all lipids
standards and, for each one, identify the polar groups. For each
pair of standards, compare the polarity ranking within members of
the pair. Explain your reasoning.
Pair 1: FA (fatty acid) & PC (phosphatidylcholine)
Pair 2: PI (phosphatidylinositol) & PE
(phosphatidylethanolamine)
Pair 3: CL (cardiolipin) & CH (cholesterol)
CS / CHO O...
Indicate which of the following molecules is non-polar: Select one: Br: :Br: BO O a O b. H-S-H O C. d. :C1: :c:
Which statement is not true? A) Lipids are found in cell membranes. B) Lipids are soluble in organic solvents. C) There are many different types of lipids. D) All lipids contain fatty acids. E) Some hormones are lipids. The overall three-dimensional shape of a protein is determined by its ___and is known as the _ structure of a protein. 1. a) amino acid residues/primary 2.b) amino acid residues/tertiary 3.c) isoelectric point/secondary 4. d) hydrogen bonding/secondary Which is a means that...
12) Which statement is NOT true? A) There are many different types of lipids. B) Lipids are found in cell membranes. C) Some hormones are lipids. D) Lipids are soluble in organic solvents. E) All lipids contain fatty acids. 13) The process of building up new molecules in the coll is called A) glycolysis. B) catabolism. C) anabolism. D) metabolism. E) transamination 14) Which of the following does not require energy from ATP hydrolysis? A) digestion B) synthesis of an...
identify your answer. (2 pts ea) 12) Which statement is NOT true? A) There are many different types of lipids. B) Lipids are found in cell membranes. C) Some hormones are lipids D) Lipids are soluble in organic solvents. E) All lipids contain fatty acids. 13) The process of building up new molecules in the coll is called A) glycolysis. B) catabolism. C) anabolism. D) metabolism E) transamination. 14) Which of the following does not require energy from ATP hydrolysis?...
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