CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
10th Edition
ISBN: 9780136538820
Author: Taylor
Publisher: INTER PEAR
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Textbook Question
Chapter 3, Problem 3TYK
What makes a fatty acid an acid?
a. It does not dissolve in water.
b. It is capable of bonding with other molecules to form a fat.
c. It has a carboxyl group that can donate an H+ to a solution.
d. It contains only two oxygen atoms.
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Students have asked these similar questions
What is true about lipids? A. They are polar and therefore soluble in polar solvents B They are polar and therefore soluble in nonpolar solvents C. They are nonpolar solvents D. They are nonpolar and therefore soluble in polar solvents
Cholesterol is which type of lipid?
a.
wax
b.
saturated fat
c.
steroid
d.
phospholipid
e.
unsaturated fat
How is the structure of saturated fats different from that of unsaturated fats?
A. All of the carbons in the hydrocarbon tails of saturated fats are bonded to one another with double bonds.
B. Saturated fats have three hydrocarbon tails bonded to the glycerol molecule instead of just two.
C. The hydrocarbon tails in a saturated fat have the maximum number of hydrogens possible.
D. Saturated fats have no oxygens present.
What are the primary functions of carbohydrates in cells?
A. Energy storage, cell identity, structure, and building blocks for synthesis.
B. Catalysis, structure, and energy storage.
C. Different orientation of a hydroxyl in the ring form.
D. Different position of the carbonyl group in the linear form.
A positive test for starch would give the following colors:
A. Dark blue, black, or purple
B. Red, yellow, orange-red, green
C. Bright Purple
D. Purely Blue
Chapter 3 Solutions
CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
Ch. 3 - Complete the following table to help you review...Ch. 3 - A glucose molecule is to starch as (Explain your...Ch. 3 - What makes a fatty acid an acid? a. It does not...Ch. 3 - Cows can derive nutrients from cellulose because...Ch. 3 - Of the following functional groups, which is/are...Ch. 3 - Prob. 6TYKCh. 3 - Prob. 7TYKCh. 3 - Prob. 8TYKCh. 3 - Which structural level of a protein would be least...Ch. 3 - Circle and name the functional groups in this...
Ch. 3 - Most proteins are soluble in the aqueous...Ch. 3 - Sucrose is broken down in your intestine to the...Ch. 3 - Explain the role of complementary base pairing in...Ch. 3 - What are the two types of secondary structures...Ch. 3 - The diversity of life is staggering. Yet the...Ch. 3 - How can a cell make many different kinds of...Ch. 3 - Given that the function of egg yolk is to nourish...Ch. 3 - Enzymes usually function best at an optimal pH and...Ch. 3 - SCIENTIFIC THINKING Another aspect of the Nurses...
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- The main difference between a glycerophospholipid and a sphingophospholipid is which component? A. backbone B. phosphate group C. acyl grouparrow_forwardAt the physiological pH in the human body, amino acids are typically in the zwitterionic form. What is a zwitterion? A. A molecule that has parts that are charged but has an overall neutral charge. B. A molecule that has parts that are neutral but has an overall positive or negative charge. C. A molecule that has is charged at physiological pH. D. A molecule that has more than 1 charged ion.arrow_forwardWhich statement is false? A. Fatty acids are a type of lipid B. Glucose is a monosaccharide C. A triglyceride consists of three fatty acids and one glycerol molecule D. Amino acids each have a side group (R) that distinguishes them from other amino acidsarrow_forward
- Proteins are synthesized by linking amino acids with bonds. a. disulfi de c. peptide b. glycosidic d. esterarrow_forwardStructurally, lipids are a very diverse group but they are all placed in one group because of what? A.They are all important as energy storage molecules. B. They are composed of glycerol and fatty acids. C. They all contain four interlocking rings.D. They are all relatively insoluble in water.arrow_forwardIn which of the following pairs of fatty acids does the first listed acid have a higher solubility in water than the second listed acid? A. 18:0 acid and 18:3 acid B. 14:3 acid and 20:0 acid C. 12:0 acid and 22:0 acid D. 16:2 acid and 16:0 acidarrow_forward
- Which one of the following statements about lipids is correct?a. Saturated fats contain many double bonds.b. Unsaturated fats do not have double bonds.c. Fatty acids contain 9 kilocalories per gram.d. Steroids consist of chain structure molecules.arrow_forwardWhich of the following statements concerning fatty acids is correct? a. Used to make phospholipids b. They all contain one or more double bonds. c. They are a constituent of sterols. d. They are strongly hydrophilic.arrow_forwardWhat is the role of glycerol in lipids? (Select one or more) A. Platform for attachment of polar side chains to cholesterol B. platform for fatty acids in phospholipids C. platform for fatty acids in fat D. platform for isoprenoid sidechain in steroidsarrow_forward
- Which of the following statements concerning palmitic acid is INCORRECT? a. It can barely be dissolved in water. b. It is an unsaturated fatty acid. c. It is consisted of 16 carbons. d. It is a lipid.arrow_forwardWhy are water and its derivatives useful as buffers in the cell cytoplasm? A. H3O+ can serve as a strong base. B. H2O can make hydrogen bonds. C. H20 can serve as a strong acid and as a strong base. D. H20 can serve as a weak acid and OH- can serve as a weak base. E. H20 can serve as a weak base and as a weak acid.arrow_forwardSaturated fats are a part of what biomolecules? A. Lipids B.Nucleic acids C. Protein D.Carbohydratesarrow_forward
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