Pi bonds Study guides, Class notes & Summaries

Axial lone pairs correct answers Lies on axis of molecule where is srongly repels the electron pairs in the three equatorial bones Equatorial lone pair correct answers Lies on molecule's equator, where is strongly repels electron pairs in the two axial bonds sigma bond correct answers all single covalent bonds. A bond formed when two atomic orbitals combine to form a molecular orbital that is cylindrically symmetrical around the axis connecting the two atomic nuclei Head on overlap of hy...

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 +...

training effect - Correct Answer-An increase in functional capacity of muscles and other bodily tissues as a result of increased stress (overload) placed upon them. Homeostasis - Correct Answer-The automatic tendency to maintain a relatively constant internal environment. Metabolism - Correct Answer-The total of all the chemical and physical processes by which the body builds and maintains itself (anabolism) and by which it breaks down its substances for the production of energy (catabolis...

BCH 400 Final Exam Questions & Answers 2023/2024 Threonine - ANSWER-Can undergo post translational modification Arginine - ANSWER-Has a net positive charge of ph 7 Cysteine - ANSWER-Can form covalent bonds in proteins Glycine - ANSWER-is not chiral Why do we call some amino acids essential? - ANSWER-Humans are unable to synthesize them What is the pI of Alanine? pKa1 = 2.34 pKa2 = 9.69 - ANSWER-Between 6.01 and 6.02 Which of the 4 types of non-covalent interactions between...

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...

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...

WGU D076 OVER 300 QUESTIONS AND ANSWERS LATEST ALREADY GRADED A+;BOTH OA AND FINAL EXAM ARE COMBINED PLUS ALL UNIT TESTS 100% VERIFIED What are the main services offered by financial institutions? A. Soliciting charitable donations and then managing the distribution of these funds B. Accepting a wide variety of deposits, offering investment products, providing loans, and brokering financial transactions C. Deciding which assets to invest in to create wealth in the future D. Evalu...

1. Question: When comparing Be2 and H2: 2. Question: Atoms that are sp2 hybridized form ____ pi bond(s). 3. Question: The hybridization of the nitrogen atom in the cation NH2+ is: 4. Question: Which one of the following molecules has an atom with an incomplete octet? 5. Question: Nitrous oxide (N2O) is sometimes called "laughing gas". What is the formal charge on the central nitrogen atom in the most favorable Lewis structure for nitrous oxide based on minimizing formal charge overall? 6....

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...

1. Question: When comparing Be2 and H2: 2. Question: Atoms that are sp2 hybridized form ____ pi bond(s). 3. Question: The hybridization of the nitrogen atom in the cation NH2+ is: 4. Question: Which one of the following molecules has an atom with an incomplete octet? 5. Question: Nitrous oxide (N2O) is sometimes called "laughing gas". What is the formal charge on the central nitrogen atom in the most favorable Lewis structure for nitrous oxide based on minimizing formal charge overall? 6....