1 SEM CARDLESS ACC W/RAVEN TEXT
12th Edition
ISBN: 9781265321062
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 2, Problem 3A
Summary Introduction
Introduction:
Covalent bond is a type of
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Students have asked these similar questions
.Amino acids
a. have high dipole moments.
b. are weak acids.
c. with high molecular masses will be insoluble in water.
d. are weak bases.
Which statement is false?
This type of noncovalent bond is responsible for clustering fatty acid tails of phospholipids in a micelle.
a. Disulfide bonds
b. Hydrogen bonds
c. Hydrophobic interactions
d. Ionic interactions
e. van der Waals interactions
One of the results of a fat being saturated is that the molecules interact stronger. This means that saturated fats are usually solid at room temperature while unsaturated fats are typically liquids. The interactions between triglycerides falls under which of the following types.
Select one:
a. Covalent Bonds
b. van der Walls bonds
c. Hydrogen Bonds
d. Ionic Bonds
Chapter 2 Solutions
1 SEM CARDLESS ACC W/RAVEN TEXT
Ch. 2.1 - Define an element based on its composition.Ch. 2.1 - Describe the relationship between atomic structure...Ch. 2.1 - Explain where electrons are found in an atom.Ch. 2.2 - Relate atomic structure to the periodic table of...Ch. 2.2 - Prob. 2LOCh. 2.3 - Prob. 1LOCh. 2.3 - Prob. 2LOCh. 2.3 - Prob. 3LOCh. 2.4 - Relate how the structure of water leads to...Ch. 2.4 - Prob. 2LO
Ch. 2.5 - Prob. 1LOCh. 2.5 - Prob. 2LOCh. 2.5 - Prob. 3LOCh. 2.6 - Prob. 1LOCh. 2.6 - Prob. 2LOCh. 2 - Data analysis If we call each step on the x-axis...Ch. 2 - The property that distinguishes an atom of one...Ch. 2 - If an atom has one valence electronthat is. a...Ch. 2 - An atom with a net positive charge must have more...Ch. 2 - The isotopes carbon-12 and carbon-14 differ in a....Ch. 2 - Which of the following is NOT a property of the...Ch. 2 - Ionic bonds arise from a. shared valence...Ch. 2 - A solution with a high concentration of hydrogen...Ch. 2 - Using the periodic table on page 22, which of the...Ch. 2 - Refer to the element pictured. How many covalent...Ch. 2 - Prob. 3ACh. 2 - Prob. 4ACh. 2 - If you shake a bottle of oil and vinegar then let...Ch. 2 - The decay of radioactive isotopes involves changes...Ch. 2 - Prob. 1SCh. 2 - A popular theme in science fiction literature has...Ch. 2 - Prob. 3S
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- Which of the following statements is incorrect about disulfide bonds? a. They form between two cysteine amino acids.b. They are noncovalent.c. They contribute to the tertiary structure of some proteins.d. They contribute to the quaternary structure of some proteins.e. They involve the loss of two hydrogen atoms.arrow_forwardRank the following chemical bonds in order of increasing polarity.a. nonpolar covalent b. ionic c. polar covalentarrow_forwardWhich type of interaction stabilizes the alpha (α) helix and the beta (β) pleated sheet structures of proteins? Group of answer choices A. hydrophobic interactions B. peptide bonds C. hydrogen bonds D. nonpolar covalent bonds E. ionic bondsarrow_forward
- Which of the following IS NOT a type of interaction that helps create a protein’s tertiary structure? Select one: a. glycosidic bonds b. hydrogen bonds c. salt bridges d. disulfide bondsarrow_forwardA fatty acid has one double covalent bond betweencarbon atoms.a. cholesterol c. phospholipid e. saturatedb. monounsaturated d. polyunsaturatedarrow_forwardOne of the most important properties of water is that it can form a _______ with other water molecules. This means that water molecules are able to “stick together” to a certain extent. The term for this property is cohesion. A. Ionic bond B. Covalent Bond C. Hydrogen Bondarrow_forward
- Which one of the following statements about a molecule of acetonitrile (CH3CN) is TRUE? Select one: o a. It has four single bonds o b. It has three single bonds and two lone pairs of electrons c.It has one multiple bond d. It has two nonbonding pairs of electrons e. It has five covalent bondsarrow_forwardWhich of the following statements best explains the insolubility of lipids in water? a. The structure of lipids includes hydrophilic molecules. b. The polar portion of lipids is much larger than the nonpolar portion. c. The polar portion of lipids is much smaller than the nonpolar portion. d. The polar and nonpolar portions of lipids are of the same size.arrow_forwardUnlike a phospholipid, cholesterol hasa. a glycerol backbone.b. a polar phosphate group.c. a multiple ring structure.d. unsaturated fatty acid chainsarrow_forward
- What type of bonding is present in the primary structure of proteins? A. peptide bond B. hydrogen bond C. ionic bond D. more than one choice is correctarrow_forwardThe figure below shows five water molecules. The hydrogen bonds shown in this figure are each (-) Hydrogen bond{: (+) (+)---(-) Select one: a. between an oxygen and a hydrogen atom of different water molecules. b. between two hydrogen atoms. d. between an oxygen and a hydrogen atom.of the same water molecule. d. between two atoms with the same charge.arrow_forwardLipids, like carbonhydrates, contain 'organic' atoms and 'organic' bonds, but have fewer _______________________and therefore , are mostly insoluble in water. a. covalent bonds b. non-polar covalent bonds c. soft ionic bonds d. polar covalent bonds e. molar covalent bonds.arrow_forward
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