Amine synthesis - Study guides, Class notes & Summaries

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Which of the following is not a change typically produced by a hormonal stimulus? A) stimulates production of an action potential B) alters plasma membrane permeability C) induces secretory activity D) activates or deactivates enzymes Answer: A 2) Regulating hormones from the hypothalamus A) first enter into the hypophyseal portal system B) B) enter the hepatic portal system, w...

AAMC MCAT Practice Exam 1 Questions and Answers 2024 In the chromatography of the reaction mixture, water absorbed on cellulose functioned as the stationary phase. What was the principal factor determining the migration of individual components in the sample? A) Hydrogen bonding B) Solute concentration C) Stationary phase concentration D) Thickness of paper -Answer-A) Hydrogen bonding The answer to this question is A because the relative amount of hydrogen bonding to the stationary phas...

What are the components of amino acids? - ANS - amine group, acid group, side chain What makes an amino acid unique? - ANS - side chain How many amino acids exist? Essential and non-essential. - ANS - 9 essential, 11 nonessential What is stopped if we are lacking an amino acid? - ANS - protein synthesis What is needed for protein synthesis? - ANS - amino acids What is negative nitrogen balance? - ANS - more nitrogen is excreted than taken in What is positive nitrogen balance? - ANS - more ...

MB ASCP Exam Questions & Answers 2024 The enzyme that primes DNA synthesis is: - ANSWER-DNA primase Which of the following is a common hydrogen bond acceptor? a) A carbonyl b) Primary amine c) Hydroxyl d) Tertiary amine - ANSWER-b) Primary amine What assay is a signal amplification test and uses Alkaline Phosphatase? a) Branched DNA b) TMA c) PCR d) NASMA e) LCR - ANSWER-a) Branched DNA Which one of the following complementary pairings is incorrect? a) A=T b) G=C c)...

What is resting membrane potential in ventricular myocytes? Threshold potential? correct answers RMP: -90 mV TP: -70 mV basic sequence of the synthesis of endogenous catecholamines correct answers Tyrosine converted by tyrosine hydroxylase > Dopa Dopa converted by aromatic L amino acid decarboxylase > Dopamine Dopamine converted by Dopamine B hydroxylase > NE NE converted by phentylethnolamine N methyltransferase > Epi Do the following structures elongate/tense or shorten...

what did multicellularity lead to? - need for a highly coordinated system to regulate and integrate the physiological functioning of different cells within one organism mode of hormonal communication? - chemical signalling examples of types on triggers? - location, visual, language, sound, gesture visual trigger - circadian rhythms location trigger - sender to receiver language trigger - chemical signalling gesture trigger - social, stress, sex sound trigger - lactation what is the unit...

OCR A LEVEL CHEMISTRY ORGANIC SYNTHESIS WITH COMPLETE SOLUTIONS alkene undergoes what type of polymerisation - CORRECT-addition polymerisation Alkene to alcohol - CORRECT -Electrophilic addition conc (phosphoric) acid catalyst steam Haloalkane to nitrile - CORRECT -nucleophilic substitution ethanolic NaCN or KCN heat Haloalkane to primary amine (also makes NH4X) - CORRECT -Nucleophilic substitution Excess ethanolic NH3 with no further substitution HEAT under PRESSURE acyl ch...

Bio 227 Lecture Exam 1 Questions and Answers Already Passed 4 most common elements in the human body oxygen, carbon, nitrogen hydrogen 6 major classes of enzymes 1. Oxidoreductases- oxidizes or reduces eg moves electron around 2. Transferases- transfers a functional group eg phosphate/hydroxyl 3. Hydrolases- does a hydrolysis reaction by ripping apart molecules using water 4. Lyases-breaks bonds but without water 5. Isomerases-makes one isomer into another by changing shape 6. Lig...

HNF 150 EXAM 2 Questions And Answers Structure of protein - ANS-composed of carbon, hydrogen, oxygen, and nitrogen and arranged as strands of amino acids Three components of amino acids - ANS-amine group, acid group, side chain How many essential amino acids exist? - ANS-9 Why are adequate amounts of all essential amino acids required for protein synthesis? - ANS-without essential amino acids the body can't make the proteins that it needs to do work What factors differentiates protein?...

Structure of protein - Answer-composed of carbon, hydrogen, oxygen, and nitrogen and arranged as strands of amino acids Three components of amino acids - Answer-amine group, acid group, side chain How many essential amino acids exist? - Answer-9 Why are adequate amounts of all essential amino acids required for protein synthesis? - Answer-without essential amino acids the body can't make the proteins that it needs to do work What factors differentiates protein? - Answer-... 7 roles of pr...