Van der waals Study guides, Class notes & Summaries
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![UNE CHEM 1011 General Chemistry II Midterm Fall 2023 Questions With Complete Solutions](/docpics/3140032/64c252ebbeec2_3140032_121_171.jpeg)
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UNE CHEM 1011 General Chemistry II Midterm Fall 2023 Questions With Complete Solutions
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intermolecular forces correct answer: the various forces of attraction that may exist between the atoms and molecules of a substance due to electrostatic phenomena 
 
kinetic energies correct answer: the energy required to overcome the attractive forces and thus increase the distance between particles 
 
Intramolecular forces correct answer: within the molecule that keep the molecule together 
 
Intermolecular forces correct answer: attractions between molecules, which determine many of the ...
![BCH 403 Exam 1 Questions with Complete Solutions](/docpics/5406222/664e58b9aa498_5406222_121_171.jpeg)
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BCH 403 Exam 1 Questions with Complete Solutions
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(T/F) A biochemical reaction, without a catalyst or thermodynamic coupling, takes 50 years to reach a state of equilibrium. Without more information, we cannot make a determination on either the value of the Keq constant or the positive or negative value of the ΔG of the reaction. Correct Answer-False 
 
(T/F) Due to its small size, the amino acid glycine can be found in tight turns in a protein structure. Correct Answer-True 
 
(T/F) The ΔG of a reaction is defined as the energy required to b...
![BCH 403 Lecture 4 Questions with Complete Solutions](/docpics/5406291/664e59c98b410_5406291_121_171.jpeg)
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BCH 403 Lecture 4 Questions with Complete Solutions
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how are H bonds formed in beta sheets? Correct Answer-- between strands 
- H-bonds are lateral 
 
why do proteins fold if it would lower entropy? Correct Answer-- the hydrophobic effect 
- deltaH --> all of the interactions happening w/in the protein are favorable + overcome the unfavorable entropy of folding 
 
what types of interactions stabilize 3* structures? Correct Answer-- H-bonds 
- ion pair / salt bridges 
- van der Waals interactions: weak electrostatic interactions b/t induced dipo...
![JMU BIO 140 DR. Doyle Exam 1 | 80 Questions with 100% Correct Answers | Verified | Latest Update 2024](/docpics/3954154/656c9e5560399_3954154_121_171.jpeg)
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JMU BIO 140 DR. Doyle Exam 1 | 80 Questions with 100% Correct Answers | Verified | Latest Update 2024
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What is the difference between cations and anions? - Cation is the loss of electrons, the atom 
becomes more positive. Anion is the gain of electrons, the atom becomes more negative. 
Differentiate between mass number and atomic number. - Mass number- number of protons and 
neutrons. Atomic number- number of protons 
What are valence electrons and what is their significance? - Valence electrons are electrons in the 
outermost shell of an atom. They are important in determining the bonds that the...
![MCDB Practice Exam 1 2024 with 100% correct answers](/docpics/4203552/65a086311ebdd_4203552_121_171.jpeg)
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MCDB Practice Exam 1 2024 with 100% correct answers
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Electronegativity is larger/smaller with a greater number of electron shells. - correct answer smaller 
 
Electronegativity is larger/smaller with a greater proton number in a given period (horizontal row). - correct answer larger 
 
What is wrong, if anything, with the following statement: 
 
"When NaCl is dissolved in water, the water molecules closest to the ions will tend to preferentially orient themselves so that their oxygen atoms can interact electrostatically with the chloride ions...
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Chapter 6 Egan Exam Questions & Answers Already Graded A+
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states of matter - three primary states of matter: solid, liquid, and gas 
Solids - "Solids have a fixed volume and shape. The molecules that make up the 
solid have the shortest distance to travel until they collide with one another. This motion 
has been referred to as a "jiggle." Solids have a high degree of internal order; their 
atoms or molecules are limited to back-and-forth motion about a central position, as if 
held together by springs (see Figure 6-1, A). Solids maintain their shap...
![Bios 1300 Cumulative Final Exam Fall 2023 with complete solution](/docpics/3482506/650d8608d9ae4_3482506_121_171.jpeg)
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Bios 1300 Cumulative Final Exam Fall 2023 with complete solution
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Bios 1300 Cumulative Final Exam Fall 2023 with complete solution 
 
Which of the following bond types is the weakest? 
Isotopic bonds 
Van der Waals forces 
Hydrogen bonds 
Ionic bonds 
Nonpolar covalent bonds 
Polar covalent bonds 
Van der Waals forces 
The lower the pH of a solution, the ________. 
lower the H+ concentration 
more neutral the solution is 
greater the number of oxygen atoms 
greater the number of H+ in solution 
less toxic the solution is 
greater the number of H+ in solution 
...
![WGU Biochemistry OA (Latest 2022/2023) Verified Answers](/docpics/62b9a217e8fc2_1818086.jpg)
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WGU Biochemistry OA (Latest 2022/2023) Verified Answers
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WGU Biochemistry OA (Latest 2022/2023) Verified Answers 
Bohr Effect chart (low pH) 
C- High CO2 
H- High H+ 
A- Acidic 
R-Release of O2(rt. Shift) 
T- tense state (in tissues) 
 
 
Primary structure 
Sequence of amino acids that make up a protein 
 
 
Secondary Structure 
Sequence of amino acids fold. 
 
 
Tertiary Structure 
-more folding in a 3D shape. 
-R groups (side chains) 
 
 
Quaternary Structure 
Protein has more than 1 polypeptide chain. 
 
 
Chemical reaction 
-absorb and release en...
![TEST BANK FOR BIOCHEMISTRY: A SHORT COURSE, 3RD EDITION, JOHN L. TYMOCZKO, JEREMY M. BERG , LUBERT STRYER](/docpics/62db983cceb64_1862490.jpg)
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TEST BANK FOR BIOCHEMISTRY: A SHORT COURSE, 3RD EDITION, JOHN L. TYMOCZKO, JEREMY M. BERG , LUBERT STRYER
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TEST BANK FOR BIOCHEMISTRY: A SHORT COURSE, 3RD EDITION, JOHN L. TYMOCZKO, JEREMY M. BERG , LUBERT STRYER 
 
 
 
Table of Contents 
 
PART I: THE MOLECULAR DESIGN OF LIFE 
Section 1: Biochemistry 
Chapter 1: Biochemistry and the Unity of Life 
Chapter 2: Water, Weak Bonds and the Generation of Order Out of Chaos 
 
Section 2: Protein Composition and Structure 
Chapter 3: Amino Acids 
Chapter 4: Protein Three-Dimensional Structure Chapter 5: Techniques in Protein Biochemistry 
Section 3: Basic Co...
![WGU C888 Molecular & Cellular Biology, Questions and answers, VERIFIED](/docpics/3890877/655f92b720b64_3890877_121_171.jpeg)
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WGU C888 Molecular & Cellular Biology, Questions and answers, VERIFIED
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Saturated fatty acids are so named because they are saturated with - -hydrogen 
Fatty acids in phospholipids and triacylglycerols interact with one another by - -van der Waals 
interactions 
Which of the following levels of protein structure may be affected by hydrogen bonding? - -Which of 
the following levels of protein structure may be affected by hydrogen bonding? 
Which of the following associations between R groups are the strongest? - -disulfide bridges 
Each phosphodiester linkage in DNA...
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