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what are phytosterols? what are the 3 most common? - Correct Answers- plant-derived sterols that are structurally similar to cholesterol - beta-sitosterol, campesterol, stigmasterol 2 subclasses of phytosterols? structure? any characteristics? - Correct Answers1. sterols - has a double bond at position 5 2. stanols - has a reduction of the double bond at position 5 - less common than sterols - more a product of sterol bacterial degradation than in food - produced by hydrogenating ster...

Resonance Trends - Correct Answers1- lp next to pi bond 2- lp next to + charge 3- pi bond next to + charge 4- pi bond next to lp in ring 5- pi bond in between two atoms Major Contributors in Order - Correct Answers1. Greatest # filled octets. 2- Fewer formal charges. 3- (-) charge on most electronegative atom 4- (+) charge on less electronegative atom Formal Charge Equation - Correct AnswersValence - (bonds + dots) Alkane - Correct AnswersC-H Alkene - Correct AnswersC=H Alk...

in an acid-base reaction, does the equilibrium favor the side of the weaker or stronger acid? - Correct Answers equilibria favor the reaction side with the lowest-energy species, acid-base reactions will go to the side with the WEAKEST acids and bases resonance structures - Correct Answers two forms of a molecule where the chemical connectivity is the same but the electrons are distributed differently around the structure. Resonance occurs when electrons can flow through neighboring pi system...

What properties make water the best solvent for life? - Correct Answers Due to its polarity and ability to form hydrogen bonds, water makes an excellent solvent What is the geometric and molecular structure for water? - Correct Answers Geometric - distorted tetrahedral Molecular - H2O What is hydrogen bonding? What are the requirements? - Correct AnswersA strong dipole-dipole or charge-dipole interaction that arises between an acid (proton-donor) & a base (proton-acceptor). A Hydrogen ...

what effects the distance traveled by a solute in thin layer chromatography? - Correct Answers molecular polarity and structure (weight, geometry, C-C double bonds) Thin Layer Chromatography stationary phase - Correct Answers paper thin layer chromatography mobile phase - Correct Answers the solvent (water / alcohol) we used sodium citrate isopropanol EVALI - Correct Answerse-cigarette or vaping associated lung injury Rf equation - Correct AnswersRf=distance traveled by substa...

reversible binding of ligands is essential (T/F) T induced fit The change in shape of the active site of an enzyme so that it binds more snugly to the substrate, induced by entry of the substrate. cooperativity A kind of allosteric regulation whereby a shape change in one subunit of a protein caused by substrate binding is transmitted to all the other subunits, facilitating binding of additional substrate molecules to those subunits. Enzyme = _______ catalyst What do enzymes transform into o...

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How does culture manifest itself? - Correct Answers the laws, customs, ritual behavior, and artistic production common to the group For what are the paintings in Chauvet known? - Correct Answers the cave paintings were very naturalistic; people were abstract Where was evidence of the earliest hominins found? - Correct Answers ethiopia In what nation was the Willendorf Venus discovered? - Correct Answers Austria Which feature on the Willendorf Venus was a natural indentation in the st...

This term identifies an upright stone slab decorated with relief carvings, frequently used as a grave marker. - Correct Answers Stele This Sumerian king who ruled Uruk about 2700 B. C. E. is also the subject of an epic story that predates the Iliadand the Odyssey - Correct Answers Gilgamesh This is the Egyptian architect who designed the earliest pyramid as a tomb for the Pharaoh Zoser - Correct Answers Imhotep This is a type of standing male statue, always shown nude. - Correct Answers...

He was a popular senator and also the author of some influential books on Roman history. - Correct Answers Tacitus Nat Turner of the USA could be compared to one of the following from Ancient Rome. - Correct Answers Spartacus The name 'Manumission' in Ancient Rome was related to one of the following? - Correct Answers Slavery Which one of the following Ancient Rome poet became popular with his poetry about love and sex but angered Emperor Augustus. - Correct Answers Ovid Name o...

Stele - Correct Answers This term identifies an upright stone slab decorated with relief carvings, frequently used as a grave marker. Gilgamesh - Correct Answers This Sumerian king who ruled Uruk about 2700 B. C. E. is also the subject of an epic story that predates the Iliad and the Odyssey. Imhotep - Correct Answers This is the Egyptian architect who designed the earliest pyramid as a tomb for the Pharaoh Zoser. Kouroi - Correct AnswersThis is a type of standing male statue, always sh...

Why were cities like Chang'an and Beijing, and the Forbidden City, arranged on a north-south grid pattern? - Correct Answers NOT to keep out marauding Mongols When the canal system and harbor of Bruges became inaccessible to large vessels, which city supplanted Bruges in importance? - Correct Answers Antewarp After their conquest of Peru, what did the Spanish do to emphasize Christian control? - Correct Answers They built a Dominican church and monastery on the foundations of the Inca...

1. This term identifies an upright stone slab decorated with relief carvings, frequently used as a grave marker. - Correct Answers Stele 2. This term is used to describe the Late Stone Age, when agricultural skills had been developed but stone was still the principal material for tools and weapons. - Correct Answers Neolithic 3. This Sumerian king who ruled Uruk about 2700 B.C.E. is also the subject of an epic story that predates the Iliad and the Odyssey. - Correct Answers Gilgamesh 4....

In e.e. cummings' poem "l(a)", what is the relationship of the structure to the theme? - Correct Answers The structure serves to convey the theme. The humanities includes the study of - Correct Answersave paintings The arts include - Correct Answersworks that reveal values In "Piano and Drums," the piano stands for - Correct AnswersWestern culture cummings' "falling leaf" in the poem "l(a)" is - Correct Answersan image According to the authors, knowin...

What are some of the oldest paintings of humankind found? - Correct Answers Lascaux What development during the Neolithic period made possible the growth of communities and villages? - Correct Answers Writing Which is NOT a characteristic of civilization? - Correct Answers cities with government, social classes with specialized tools/skills, WELL DEVELOPED MILITARY, or written communication and religion What do archaeologists believe the Venus of Willendorf depicts? - Correct Answersa f...

From c. 1150 to 1300, what city was the intellectual and culture center of Western civilization? - Correct AnswersParis Which are the oldest universities in Europe? - Correct Answers What was the functional purpose of the Gothic Gargoyles? - Correct AnswersAs Rain-Gutters What are the two major characteristics of Gothic architecture? - Correct AnswersIncreased Height and Stained Glass Windows Why did medieval universities require their students to participate in note-taking and copyi...

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What is the primary function of cellular respiration? Why bother doing all this? - Correct Answers Cellular respiration converts food molecules into ATP, which is then used as energy How does aerobic glucose catabolism compare with processes like the burning of wood or gasoline? How is it different? - Correct Answers Glucose is oxidized similarly to the fuel while the oxygen is reduced. ATP is produced following aerobic glucose catabolism Explain what redox reactions are, and give examples...

DNA has the capacity to - Correct Answers store genetic information, copy it, and pass it from one generation to the other generation. Chromatin is - Correct Answers DNA and proteins Nucleic acids - Correct Answers DNA and RNA; consist of long chains of nucleotides. Therefore nucleotides are monomers and nucleic acids are polymers. DNA is double stranded while - Correct Answers RNA is single stranded. Each nucleotide consists of 3 main parts; - Correct Answers a nitrogenous base with...

nutrient - Correct Answers substance metabolized by or incorporated into an organism deficiency symptoms - Correct Answers develop in plants that receive to little of a nutrient what does scarcity of nutrients cause? - Correct Answers adaptations that help in acquiring nutrients essential nutrients - Correct Answers substances that a plant needs to complete the reproductive cycle macronutrients - Correct Answersl arge amounts required by plant nitrogen, potassium, calcium, mangensiu...