Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 3, Problem 12RQ
Saturated fats have all of the following characteristics except:
- they are solid at room temperature
- they have single bonds within the carbon chain
- they are usually obtained from animal sources
- they tend to dissolve in water easily
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Students have asked these similar questions
Fatty acids are esterified into mono-, di-, or triglycerides by attaching to:
Sterol
Cholesterol
Glycerol
Sodium chloride
Omega-3 fatty acids have which of the following?
At least 3 double bonds
A 3-carbon backbone
A double bond 3 carbons from the end of the chain
At least 3 fatty acid molecules linked by omega bonds
TRUE OR FALSE
Lipids are insoluble in water but soluble in ether
TAG mean triacylglycerol
Phospholipids function as membrane lipids
TAG contains fatty acids and glycerol
Fatty acids contains even number of carbon atoms
Saturated fatty acids have low melting points
Butyric acid usually comes from coconut oil
Unsaturated fatty acids contain single bonds only in their structure
Arachidonic acid contains 3 double bonds
Theobroma oil is a liquid fat
Lipids serve as all of the following except
Chapter 3 Solutions
Biology 2e
Ch. 3 - Figure 3.5 What kind of sugars are these, aldose...Ch. 3 - Figure 3.23 Which categories of amino acid would...Ch. 3 - Figure 3.33 A mutation occurs, and cytosine is...Ch. 3 - Dehydration synthesis leads to formation of...Ch. 3 - During the breakdown of polymers, which of the...Ch. 3 - The following chemical reactants produce the ester...Ch. 3 - An example of a monosaccharide is fructose glucose...Ch. 3 - Cellulose and starch are examples of:...Ch. 3 - Plant cell walls contain which of the following in...Ch. 3 - Lactose is a disaccharide formed by the formation...
Ch. 3 - Which of the following is not an extracellular...Ch. 3 - Saturated fats have all of the following...Ch. 3 - Phospholipids are important components of...Ch. 3 - Cholesterol is an integral part of plasma...Ch. 3 - The monomers that make up proteins are called...Ch. 3 - The helix and the pleated sheet are part of...Ch. 3 - Mad cow disease is an infectious disease where one...Ch. 3 - A nucleotide of DNA may contain. ribose, uracil,...Ch. 3 - The building blocks of nucleic acids are ____. a....Ch. 3 - How does the double helix structure of DNA support...Ch. 3 - Why are biological macromolecules considered...Ch. 3 - What role do electrons play in dehydration...Ch. 3 - Amino acids have the generic structure seen below,...Ch. 3 - Describe the similarities and differences between...Ch. 3 - Why is it impossible for humans to digest food...Ch. 3 - Draw the ketose and aldose forms of a...Ch. 3 - Explain at least three functions that lipids serve...Ch. 3 - Why have trans fats been banned from some...Ch. 3 - Why are fatty acids better than glycogen for...Ch. 3 - Part of cortisol’s role in the body involves...Ch. 3 - Explain what happens if even one amino acid is...Ch. 3 - Describe the differences in the four protein...Ch. 3 - Aquaporins are proteins embedded in the plasma...Ch. 3 - What are the structural differences between RNA...Ch. 3 - What are the four types of RNA and how do they...
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- Unlike saturated fatty acids, the tails of unsaturated fatty acids incorporate one or more _______. a. phosphate groups b. glycerols c. double bonds d. single bondsarrow_forwardUnlike saturated fats, the fatty acid tails of unsaturated fats incorporate one or more ________. a. phosphate group c. double bonds b. glycerols d. single bondsarrow_forwardWhat kinds of bonds often control the shape (or tertiary form) of large molecules such as proteins? a. hydrogen b. ionic c. covalent d. inert e. singlearrow_forward
- All of the following except ________ are building blocks or energy sources in cells. a. fatty acids b. simple sugars c. lipids d. amino acids e. nucleotidesarrow_forwardWhen natural monounsaturated fats generally undergo the chemical process of partial hydrogenation, their fatty acid chains are converted into the following two forms: trans and saturated. O True Falsearrow_forwardWhat is the molecular structure responsible for creating differences between saturated and unsaturated fats? Double and Triple Bonds Polar Covalent Bonds O Hydrophobicity O Nonpolar Covalent Bondsarrow_forward
- Which of the following is true of sphingolipids? They always contain glycerol and fatty acids. They may be charged, but are never amphipathic. They contain two esterified fatty acids. Phosphatidylcholine is a typical sphingolipid. The sphingosine backbone is O-linked to a head group.arrow_forwardDuring the dehydration reaction between two monosaccharides to create sucrose which is an example of a disaccharide, what chemical bond is formed between them? Van der Waals forces Ester bond Polar covalent bond Glycosidic bondarrow_forwardIn H2O, the type of bond between Oxygen and Hydrogen that arises from the unequal sharing of electrons between the atoms and gives rise to those atom’s partial charges leading to many of water’s distinct properties is a/an (????). Ionic Bond Plutonic Bond Hydrophobic interactions Polar Covalent Bond is a storage polysaccharide in animals. Glycogen Amylose Chiton Cellulose The tendency for solutes to spread down a concentration gradient until there is a uniform distribution within an area is called (????). Molecular conformity Osmosis Quantum spread Diffusionarrow_forward
- Which of the following statements are true about lipids? There may be more than one correct answer so make sure to check all answers that are true. Fats tend to be liquid at room temperature while oils tend to be solid. A saturated fat contains fatty acids that only have single bonds between each carbon in the carbon chain. The presence of multiple double bonds in a fatty acid make it more likely that the overall lipid will be a liquid at room temperature. Phospholipids are able to form a phospholipid bilayer due to the fact that they contain a polar component at the "head" of the molecule, and a long and relatively straight non-polar component at the "tail" of the molecule Fats, lipids, and steroids all have the same general structure involving a glycerol molecule and fatty acids.arrow_forwardWhich of the following polymers is not made solely from glucose? phospholipid cellulose starch glycogenarrow_forwardIn a fatty acid, the shorter the carbon chain, the more solid the fatty acid becomes. True Falsearrow_forward
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