Hydrophobic interactions Study guides, Study notes & Summaries
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BIOL2200 Mid Semester Practice Questions | 100% Correct Answers | Verified | Latest 2024 Version
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Phospholipid bilayers are NOT stabilised by: 
a. 
van der Walls forces 
b. 
covalent bonds 
c. 
hydrogen bonds 
d. 
ionic bonds 
e. 
hydrophobic interactions - b. 
covalent bonds 
A transmembrane protein has the following properties: it has two binding sites, one for solute A and one 
for solute B. The protein can undergo a conformational change to switch between two states: either 
both binding sites are exposed exclusively on one side of the membrane, or both are exposed exclusively 
on the ot...
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Test Bank for Cell and Molecular Biology Concepts and Experiments 8th Edition Karp | Complete A ll Chapters 2024/2025
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Test Bank for Cell and Molecular Biology Concepts and Experiments 8th Edition Karp - Complete A ll Chapters 2024/2025. Which of the following tripeptides would be most likely to be soluble in an organic (hydrophobic) 
solvent like benzene? 
a) N - phenylalanine - alanine - glycine – C 
b) N - leucine - alanine - lysine - C 
c) N - proline - phenylalanine - leucine - C 
d) N - arginine - lysine - proline - C 
e) N - glutamate - aspartate - glycine – C 
Answer: c 
Difficulty: Hard 
Learning Ob...
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Test Bank for Cell and Molecular Biology Concepts and Experiments 8th Edition Karp | Complete A ll Chapters 2024/2025 | VERIFIED
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Test Bank for Cell and Molecular Biology Concepts and Experiments 8th Edition Karp | Complete A ll Chapters 2024/2025 | VERIFIED. Which of the following groups is capable of only hydrophilic interactions? 
 
d. 
H 
H 
C C C 
H H 
H H 
e.. H 
a.. OH b. C C C C C 
H H SH H H 
H H H H H 
H 
CH 
C C H 
H H 
H H NH 
2 
c.. C 
CH3 
CH2 
OH 
2 
C C C H 
H H NH 
H H OH 
2 
e. 
C C C C C H 
H H H H H 
H H H H H 
a. 
d. OH 
C C C H 
H H 
H H SH 
C O 
CH 
c. 
3 
OH 
b. C 
O 
Page 2 
a) A 
b) B 
c) C 
d) D ...
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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...
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WGU C785 Questions and answers already graded A+| Updated & Verified | 2024
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What is the basic structure of an amino acid? What do they look like? - amino group (NH2 or NH3), 
carboxyl group (COO or COOH), alpha carbon (C), and variable group 
How do you identify the 3 different types of side chains: non-polar/hydrophobic, polar, and charged? - 
Non-polar/hydrophobic - end with CH or "can't have" water. Polar - end with OH, SH, or NH. Charged 
- end with a charge 
what kinds of bonds do each of the 3 different types of side chains make? - ionic, hydrophobic/non- 
pola...
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BIOL2200 MID SEMESTER PRACTICE EXAM 2024 WITH 100% CORRECT ANSWERS
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BIOL2200 MID SEMESTER PRACTICE EXAM 2024 WITH 100% CORRECT ANSWERS 
 
Phospholipid bilayers are NOT stabilised by: 
 
a. 
van der Walls forces 
b. 
covalent bonds 
c. 
hydrogen bonds 
d. 
ionic bonds 
e. 
hydrophobic interactions - correct answer b. 
covalent bonds 
 
A transmembrane protein has the following properties: it has two binding sites, one for solute A and one for solute B. The protein can undergo a conformational change to switch between two states: either both binding sites are ex...
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Test Bank for Cell and Molecular Biology Concepts and Experiments 8th Edition Karp | Complete A ll Chapters 2024/2025
- Exam (elaborations) • 122 pages • 2024
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Test Bank for Cell and Molecular Biology Concepts and Experiments 8th Edition Karp | Complete A ll Chapters 2024/2025. Which of the groups below is capable of only hydrophobic interactions? 
a) A 
b) B 
c) C 
d) D 
e) E 
Answer: e 
Difficulty: Medium 
Learning Objective: LO 2.3 Describe the role of noncovalent bonds in the structure of molecules 
such as water. Section Reference: Section 2.3 Noncovalent Bonds 
2) Which of the following groups is capable of only hydrophilic interactions? 
 
d. 
H...
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BCH210 Test 2| 100 Questions | With Complete Solutions
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Name three factors responsible for membrane formation correct answer: Decrease in ionic interactions with water 
Decrease in membrane entropy 
Non-covalent interactions between lipids and proteins 
 
What membrane structures allow the cell membrane to modulate cell-cell recognition? correct answer: Glycoproteins and glycoplipids 
 
What non-covalent forces drive spontaneous membrane assembly? correct answer: Hydrophobic effect, hydrogen bonds and van der Waals 
 
What is the most important re...
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BCH210 Midterm 2| 316 Questions| With Complete Solutions
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Essential Membrane Functions correct answer: act as barrier 
regulate import and export of molecules 
compartmentalization of processes increases efficiency 
 
membrane properties correct answer: composed of lipid bilayer 
impermeable to polar molecules 
asymmetric 
 
membrane fluidity correct answer: lipids and proteins rotate or move within bilayer; allows cell movement, growth, division, secretion, cell junction formation, and self-heal if punctured 
comformational changes mediate 
 
fluid...
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100 Biochemistry Exam 1 Questions with correct answers. Graded A
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100 Biochemistry Exam 1 Questions with correct answers. Graded A 
Document Content and Description Below 
100 Biochemistry Exam 1 Questions with correct answers Which of the following is found in RNA but not DNA A) Uracil B) Guanine C) Deoxyribose D) Phosphate E) Adenine >>>>Uracil Which of the fo llowing amino acids exhibits significant ultraviolet absorption above 250 nm? A) Alanine B) Tyrosine C) Methonine D) Glycine E) All of the above >>>>Tyrosine Collagen fibers hav...
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