Pi bonds Study guides, Class notes & Summaries
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![AAMC FL 5 B/BC QUESTIONS AND ANSWERS](/docpics/3296630/64e5d3539abfa_3296630_121_171.jpeg)
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AAMC FL 5 B/BC QUESTIONS AND ANSWERS
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Adaptive immunity - Answer- specific 
 
Two types of adaptive immunity - Answer- Humoral immunity- B cells regulating antibodies 
Cell Mediated Immunity- T cells regulating 
 
innate immunity - Answer- non-specific 
 
phosphodiester linkage - Answer- covalent bonds that join adjacent nucleotides between the -OH group of the 3' carbon of one nucleotide and the phosphate on the 5' carbon of the next 
 
disulfide bonds - Answer- 2 cysteine residues can covalently bond to form disulfide bonds whic...
![Chem 210 Final Exam Questions and Correct Answers, With Complete Solution, 2024.](/docpics/4500652/65cc8a8041714_4500652_121_171.jpeg)
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Chem 210 Final Exam Questions and Correct Answers, With Complete Solution, 2024.
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Chem 210 Final Exam Questions and Correct Answers, With Complete Solution, 2024. 
 
SOPBAR 
used to find degrees of unsaturation 
((2C+2)-H-X+N)/2 
Resonance Rules 
-no breaking single bonds 
-do not exceed octet 
-keep net charge the same 
-try to have full octets (most stable) 
Resonance Patterns 
1. Lone pair e- next door to pi bond 
2. Pi bond next to positive charge 
3. Double bond btwn atoms of differing electronegativity (ex: carbonyl) 
Curved Arrows 
show movement of pair of electrons 
s...
![Organic Chemistry ACS (A+ Guaranteed) 2024.](/docpics/3845025/6555711b86140_3845025_121_171.jpeg)
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Organic Chemistry ACS (A+ Guaranteed) 2024.
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When naming carboxylic acids correct answers find the longest continuous carbon atom chain contianing the carboxylic acid group 
 
What is the prefix in carboxylic acids? correct answers -oate 
 
To name an ester, correct answers identify the alkyl group that is in the 'alcohol' portion of the molecule and name it; then identify the acid part of the molecule. The ester is named with the alkyl part first, and the acid part is named as a carboxylate. 
 
The terms ortho, meta, and para are used w...
![BMSC 200- midterm || Questions and 100% Verified Answers.](/docpics/5627977/666a535878c15_5627977_121_171.jpeg)
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BMSC 200- midterm || Questions and 100% Verified Answers.
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what is all illness ultimately caused by correct answers a malfunction at the molecular level 
 
define biochemistry correct answers the study of life at the molecular level. using chemistry to explain biology 
 
how different are pro and eukaryotes at the molecular level correct answers identical; ecoli = elephant 
 
what 4 elements make up 98% of living organisms correct answers C,N,O,H 
 
if all known life wasn't carbon based, what would be the next best option? why? correct answers silicone...
![AQA AS Organic Chemistry exam questions with 100% correct answers](/docpics/5234961/663bc8abd0587_5234961_121_171.jpeg)
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AQA AS Organic Chemistry exam questions with 100% correct answers
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AQA AS Organic Chemistry exam questions 
with 100% correct answers 
Define the term 'empirical formula' - ANSWERS A formula that gives the simplist whole 
number ration of atoms of each element in a compound 
Define the term 'molecular formula' - ANSWERS A way of representing molecules that 
shows the actual number of atoms of each element in a molecule 
Define the term 'General formula' - ANSWERS An algebraic formula that can describe 
any member of a family of compounds 
Define the t...
![MCAT Organic Chemistry verified/passed](/docpics/5596633/6666a48332964_5596633_121_171.jpeg)
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MCAT Organic Chemistry verified/passed
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MCAT Organic ChemistryWhat are the four rules for writing resonance structures? - correct answer 1. Atoms must not be moved. Only electrons. 
 
2. All resonance atoms must lie in the same plane. 
 
3. Only valid Lewis structures are allowed. 
 
4 . The number of unpaired electrons must remain constant. 
 
What are the two conditions for resonance? - correct answer 1. An atom must have a P orbital or a lone pair of electrons. 
 
2. It must be single bonded to an atom that has a double or triple b...
![Organic Chemistry ACS questions with correct answers](/docpics/2836377/64786271df189_2836377_121_171.jpeg)
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Organic Chemistry ACS questions with correct answers
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When naming carboxylic acids - Answer find the longest continuous carbon atom chain contianing the carboxylic acid group 
 
What is the prefix in carboxylic acids? - Answer -oate 
 
To name an ester, - Answer identify the alkyl group that is in the 'alcohol' portion of the molecule and name it; then identify the acid part of the molecule. The ester is named with the alkyl part first, and the acid part is named as a carboxylate. 
 
The terms ortho, meta, and para are used when benzene der...
![CFA Level 1 - 101 Must Knows 368 Questions with Verified Answers,100% CORRECT](/docpics/2866636/6480c71d49128_2866636_121_171.jpeg)
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CFA Level 1 - 101 Must Knows 368 Questions with Verified Answers,100% CORRECT
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CFA Level 1 - 101 Must Knows 368 Questions with Verified Answers 
 
Addition Rule of Probability - CORRECT ANSWER ADDITION: P(A or B) = P(A) + P(B) - P(AB) 
 
Roy's Safety First Criterion - CORRECT ANSWER Safety First Ratio = (E(R) - Rₜ) / σ 
 
Larger ratio is better 
 
If (Rₜ) is risk free rate, then it becomes Sharpe Ratio 
 
Sharpe Ratio - CORRECT ANSWER Sharpe Ratio = (E(R) - RFR) / σ 
 
Larger ratio is better 
 
If (Rt) is higher than RFR, then it becomes Safety First Ratio 
 
Centra...
![MCAT Kaplan University -MCAT Organic Chemistry correctly answered](/docpics/5573037/666329e05f9eb_5573037_121_171.jpeg)
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MCAT Kaplan University -MCAT Organic Chemistry correctly answered
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MCAT Organic ChemistryWhat are the four rules for writing resonance structures? - correct answer 1. Atoms must not be moved. Only electrons. 
 
2. All resonance atoms must lie in the same plane. 
 
3. Only valid Lewis structures are allowed. 
 
4 . The number of unpaired electrons must remain constant. 
 
What are the two conditions for resonance? - correct answer 1. An atom must have a P orbital or a lone pair of electrons. 
 
2. It must be single bonded to an atom that has a double or triple b...
![Edexcel a level biology paper 2 mark scheme june 2023](/docpics/3967964/656f5f8c00146_3967964_121_171.jpeg)
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Edexcel a level biology paper 2 mark scheme june 2023
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Question 
Number 
Answer Mark 
1(a)(i) The only correct answer is B (X) 
A is incorrect as W is not found in a disaccharide 
C is incorrect as Y is not found in disaccharide 
D is incorrect as Z is not found in disaccharide 
 1 
Question 
Number 
Answer Mark 
1(a)(ii) The only correct answer is B (V and Z) 
A is incorrect as X is not found in proteins 
C is incorrect as W is not found in proteins 
D is incorrect as W s not found in proteins 
 1 
Question 
Number 
Answer Mark 
1(a)(iii) The only ...
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