Pi bonds - Study guides, Class notes & Summaries

Biology Midterm 2 STUDY GUIDE Questions With Verified Answers A reaction has a ∆G of -5.6 kcal/mol. Which of the following would most likely be true? a)The reaction would result in products with a greater free-energy content than in the initial reactants. b)The reaction could be coupled to power an endergonic reaction with a ∆G of +8.8 kcal/mol. c) The reaction would proceed by itself but might be very slow d) To take place, the reaction would need to couple to ATP hydrolysis. e)The ...

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...

Chemistry 112 ACS Exam 69 Questions with Verified Answers Energy (decreases/increases) with increasing wavelength? - CORRECT ANSWER decreases Energy (decreases/increases) with increasing frequency? - CORRECT ANSWER increases The energy gaps between levels (decrease/increase) as the energy levels increase (n=1 to n=2 to n=3, etc.) - CORRECT ANSWER decreases The O-Si-O bond angles in SiO₂ (quartz) are closest to... - CORRECT ANSWER 110° A molecule with 0 lone pairs and 2 bonding ...

ACS BIOCHEMISTRY EXAM QUESTION WITH COMPLETE SOLUTIONS LATEST 2024. Henderson-Hasselbach Equation - CORRECT ANSWER - pH = pKa + log ([A-] / [HA]) FMOC Chemical Synthesis - CORRECT ANSWER - Used in synthesis of a growing amino acid chain to a polystyrene bead. FMOC is used as a protecting group on the Nterminus. Salting Out (Purification) - CORRECT ANSWER - Changes soluble protein to solid precipitate. Protein precipitates when the charges on the protein match the charges in the solution....

ACS BIOCHEMISTRY EXAM QUESTION WITH COMPLETE SOLUTIONS LATEST 2024. Henderson-Hasselbach Equation - CORRECT ANSWER - pH = pKa + log ([A-] / [HA]) FMOC Chemical Synthesis - CORRECT ANSWER - Used in synthesis of a growing amino acid chain to a polystyrene bead. FMOC is used as a protecting group on the Nterminus. Salting Out (Purification) - CORRECT ANSWER - Changes soluble protein to solid precipitate. Protein precipitates when the charges on the protein match the charges in the solution. ...

BIOCHEM ACS STUDY GUIDE Each of the following subcellular structures contains DNA EXCEPT A. the nucleus. B. ribosomes. C. chloroplasts. D. mitochondria. - B In plant and animal cells, the three-dimensional integrity of the cell is maintained, in part, by an internal network of filaments called A. the cell wall. B. the Golgi apparatus. C. the cytoskeleton. D. the endoplasmic reticulum. - C Of the following, which are prokaryotes? A. viruses B. bacteria C. yeast D. plant ...

Polysaccharide - ANSWERMany monosaccharides joined together by a condensation reaction Activation energy - ANSWERenergy required to bring about a reaction, it is lowered by presence of enzyme active site - ANSWERa group of amino acids that make up a region of the enzyme where a substrate binds to catalyse a reaction enzyme - ANSWERa protein that acts as a biological catalyst tertiary structure (protein) - ANSWERfolding of a polypeptide chain and contains disulfide bridges, hydrogen +...

BIOCHEM ACS STUDY GUIDE QUESTIONS AND ANSWERS 2024. Each of the following subcellular structures contains DNA EXCEPT A. the nucleus. B. ribosomes. C. chloroplasts. D. mitochondria. - ANSWER- B In plant and animal cells, the three-dimensional integrity of the cell is maintained, in part, by an internal network of filaments called A. the cell wall. B. the Golgi apparatus. C. the cytoskeleton. D. the endoplasmic reticulum. - ANSWER- C Of the following, which are prokaryotes? A. viruses...

Which of the following is not required in the synthesis of fatty acids? A) Acetyl-CoA B) Biotin C) HCO3- (CO2) D) Malonyl-CoA E) NADH - Answer-E) NADH Which of the following is not true of the reaction producing malonyl-CoA during fatty acid synthesis? A) It is stimulated by citrate. B) It requires acyl carrier protein (ACP). C) It requires CO2 (or bicarbonate). D) One mole of ATP is converted to ADP + Pi for each malonyl-CoA synthesized. E) The cofactor is biotin. - Answer-B) It requ...

Myoglobin was an example protein when the video started talking about folding. Myoglobin is found in large amounts in _____________________. A) muscle B) brain C) fat D) skin - ANSWERSA) muscle Coenzymes such as water-soluble vitamins are needed in only small amounts because A) each vitamin molecule can be reused many times as a cofactor. B) they can be eliminated in the urine. C) only small amounts of substrates are available at any one time. D) only small amounts of enzymes are pres...