Reference no: EM13129329
The solution to Bond
Indicate the number of possible stereoisomers for a linear aldopentose?
a.4
b.8
c.12
d.16
What statement in incorrect about the following pairs of sugars?
a. Galactose and mannose are diastereomers
b. L-galactose and D-galactose are enantiomers
c. Glyceraldehyde and dihydroxyactone are stereisomers
d. Gulcose has more chirl carbons than fructose
Which of the following sugars is classified as a ketose?
a. Galactose
b. Mannose
c. Fructose
d. Erythose
What disaccharide contains this molecule as a component?
a. Maltose
b. Celloboise
c. Lactose
d. Sucrose
Which of the following molecules cannot undergo mutarotation?
a. Glucose
b. Erythrose
c. Fructose
d. Ribose
Which of the following is a characteristic of sugar alcohols?
a. Can be prepared by the mild oxidation of an aldose.
b. Can spontaneously form intramolecular hemiacetals
c. Are classified as alditols
d. Two of the above
Which of the functions listed below is not a primary function for polysaccharides?
a. Structual components
b. Engery storage molecules
c. Protective substances
d. Hormone receptors
Which molecule is not a glycosaminoglycan?
a. Heprin
b. Chondroitin-4-sulfate
c. Keratan sulfate
d. Chitin
Which of the following molecules is not amphipatic?
a. Cholesterol
b. Succinate
c. Oleic acid
d. Phosphatidylcholine
Which is a property of cholesterol esters and triacylglcerols?
a. They are more polar than phosphatidylcholine
b. They can be classified as amphipathic molecules
c. They are components of plasma membranes
d. They are carried in serum as complexes with proteins
Which of the following features is not found in a triacylglyceride, such as trimyristoylglycerol?
a. The molecule contains a chirl carbon
b. Insoluble in water
c. Soluable in organic solvent, such as benzene
d. Found primarily in adipose tissue
The reaction of a fatty acid with cholesterol produces what type of linkage and at what ring position in cholesterol?
a. Amide, aC-15
b. Ester, atC-3
c. Thiol ester, at C-26
d. Ester, at C-19
Which molecule or class of molecules is not derived from cholesterol?
a. Prostaglandins
b. Aldosterone
c. Glucocorticoids
d. Cholic acid
Which of the following statements is incorrect about glycerophospholipids isolated from erythrocyte membrane?
a. The net charge on phosphatidylchlorine is more postive than on phosphatidyl serine at pH7.0
b. They are amphiapathic molecules.
c. All the phosphatidylcholine molecules have the same molecular weight.
d. These lipids include phosphatidylcholine, phosphatidylserine,phosphatidylinositol, and phosphatidylethanolarnine.
Acid hydrolysis will break all ester, amide and acetal chemical linkage, which is not true about acid hydrolysis of various lipids?
a. A cerebroside will release two fatty acids and one monosaccharide per mole of cerebroside.
Phosphatidyl choline will release two fatty acids and one glycerol molecule per molecule of phosphatidylcholine.
c. Cerebrosides and sphingomyelin will release one mole of sphingosine.
Define lipitor blocks production of chlosterl in the liver
: Lipitor blocks production of chlosterl in the liver. In addition to this reduction of the serum level of cholsterol, HDL acts to remove LDL from the bloodstream. How might this occur?
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What causes the colors of these complexes
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Which has the largest first ionization energy
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How many grams of cah2 are needed
: How many grams of CaH2 are needed to generate 19.0 L of H2 gas if the pressure of H2 is 780. torr at 15 C?
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Define galactose and mannose are diastereomers
: What statement in incorrect about the following pairs of sugars? Galactose and mannose are diastereomers
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The incremental annual revenues and expenses
: Burwinkel Corporation is considering a project that would require an investment of $252,000 and would last for 7 years. The incremental annual revenues and expenses generated by the project during those 7 years would be as follows:
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Reviewing literature
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Calculate the ionization energy for hydrogen
: You dissolve 12.6352 g of potassium iodide in water and bring the volume of solution to 250.0 ml. What is the molar concentration of KI and what volume of 0.0436 molar hydrochloric acid is required to react with 30.0 ml of 0.0278 molar LiOH?
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Determining integrating technology
: Explain the importance of appropriately integrating Texas Instruments' CBL 2 (Calculator Based Laboratory), CBR 2 (Calculator Based Ranger), Fathom, a powerful data analysis software tool from Key Curriculum Press, and Excel into the middle school..
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