Biology Biology Practice Problems Solutions Library

Lipids Solutions Library

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24 solutions

Lipids

Q. The steroid structure contains _____ six-carbon and _____ five-carbon rings.

Solved • Aug 28, 2018

Lipids

Q. A phospholipid contains each of the following components except:A. triacylglycerolB. fatty acid tails (2)C. polar head groupD. phosphoryl groupE. g...

Solved • Aug 25, 2018

Lipids

Q. Which of the following statements about a micelle and a ipid bilayer is NOT true?A. Both assemble spontaneuosly in water.B. Both are made up of amp...

Solved • Aug 18, 2018

Lipids

Q. How does a triglyceride differ from a carbohydrate?

Solved • Aug 3, 2018

Lipids

Q. Consumption of fats with unsaturated fatty acids is supposed to be better for humans than fats with saturated fatty acids. How do unsaturated fatty...

Solved • Aug 1, 2018

Lipids

Q. Which of the following lipids would not be found in cell membranes?A. cholesterolB. free fatty acidsC. phospholipidsD. All of the above are compone...

Solved • Jul 31, 2018

Lipids

Q. Lipids and their derivatives can be _____.A. insoluble in waterB. All of these statements regarding lipids are correct.C. important constituents of...

Solved • Jul 24, 2018

Lipids

Q. Which of the following is NOT a function in which lipids play an important role?A. Storing genetic informationB. Chemical signalingC. VisionD. Stor...

Solved • Jul 24, 2018

Lipids

Q. A phospholipid is a _____.A. nonpolar lipid molecule that is made amphipathic by the addition of a phosphateB. polar lipid molecule that fully inte...

Solved • Jul 12, 2018

Lipids

Q. Describe the structure characteristics of water and phospholipids. Include how these characteristics result in bilipid membrance formation. Mention...

Solved • Jul 11, 2018

Lipids

Q. Do fats and waxes have similar structures? Explain.

Solved • Jul 11, 2018

Lipids

Q. When phospholipids are added to water, they spontaneously form cell memranes. Explain this observation.

Solved • Jul 6, 2018

Lipids

Q. Which of the following statements regarding the fatty acid tails of phospholipids is FALSE?a) Phospholipids with unsaturated tails make the bilayer...

Solved • Jul 5, 2018

Lipids

Q. Distinguish between saturated and unsaturated fats and stinguish between saturated and unsaturated ats and n dis and trans fat molecules.

Solved • Jun 25, 2018

Lipids

Q. What is the difference between a saturated and an unsaturated fat?

Solved • May 18, 2018

Lipids

Q. Explain why the flexibility (fluidity) of a membrane increases when more of the hydrocarbon tails in the phospholipids layers contain double bonds.

Solved • Oct 24, 2017

Lipids

Q. Part of a phospholipid is nonpolar.a. Draw a square around the portion of the molecule that is nonpolar.b. Would this portion of the phospholipid i...

Solved • Oct 24, 2017

Lipids

Q. The molecule cholesterol plays an important role in a. keeping membranes liquid at low temperature. b. keeping membranes solid at high temperatur...

Solved • Aug 4, 2017

Lipids

Q. Which of the following describes an example of self-assembly in cells? a. formation of a phospholipid bilayer through hydrophobic interactions. b...

Solved • Aug 4, 2017

Lipids

Q. A fatty acid is unsaturated if there is at least one double bond between the carbon atoms in that fatty acid.  a. True b. False

Solved • Aug 1, 2017

Lipids

Q. What essential function would lipids play in the origin of life?  a. The formation of membranes b. Storage of information c. Catalysis of reacti...

Solved • Aug 1, 2017

Lipids

Q. Saturated fats have long straight tails of fatty acids, while unsaturated fats from vegetables have kinks in their tails due to double bonds. These...

Solved • Aug 1, 2017

Lipids

Q. Biological membranes contain bilayers of which of the following lipids? a. phospholipids b. oils c. triglycerides d. sex hormones

Solved • Jul 19, 2017

Lipids

Q. A common lipid for energy storage is a. phospholipid b. steroid c. triglycerides d. cholesterol

Solved • Jul 19, 2017