BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 2, Problem 3A
Summary Introduction
Introduction:
Covalent bond is a type of
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.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
The weak attractive force between two water molecules forms a(n)a. covalent bond. c. ionic bond. e. isotope.b. hydrogen bond. d. compound.
Chapter 2 Solutions
BIOLOGY
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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- 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 Bondsarrow_forwardThe ability of non-polar substances like fat molecules to clump together in water thereby allowing minimal contact between the fat molecules and water is attributed to: Group of answer choices a. Hydrogen bonds b. Ionic bonds c. Van der Waal’s interactions d. Hydrophobic interactions e. Cystine bridgesarrow_forwardThese are the weakest bonds of all and are sensitive to pH as well as changes in temperature. a. nonpolar covalent bonds b. polar covalent bonds c. ionic bonds hydrogen bondsarrow_forward
- Why 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_forwardWhich 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_forwardWhich of the following bonding types is the most important in the nonaqueous interfaces between protein subunits? a. van der Waals interactions b. the hydrophobic effect c. ionic bonds d. disulfide bridgesarrow_forward
- This occurs when the cations and anions are attracted to the positive and negative ends of water molecules: A. ionic bonding B. dissociation C. covalent bonding D. hydrogen bondingarrow_forwardThe type of bonding that happens between atoms within a water molecule is which of the following? a. Polar covalent bonding b.ionic bonding c. Non polar covalent bonding d. Hydrogen bondingarrow_forwardWhich of the following describes the interaction between the amino acid last eluted and the anion exchanger at pH 7? a. dipole-dipole b. hydrophobic c. ionic d. H-bondingarrow_forward
- Hydrogen bonds are formed as a result of which of the following?a. ionic bondsb. nonpolar covalent bondsc. polar covalent bondsd. None of these are correct.arrow_forwardRank the following chemical bonds in order of increasing polarity.a. nonpolar covalent b. ionic c. polar covalentarrow_forwardA fatty acid has one double covalent bond betweencarbon atoms.a. cholesterol c. phospholipid e. saturatedb. monounsaturated d. polyunsaturatedarrow_forward
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