Ch21 Study guides, Class notes & Summaries
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BCH210 EXAM| 341 QUESTIONS| WITH COMPLETE SOLUTIONS
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agarose and agar correct answer: polysaccharides used to run DNA gels and for microbial plates 
 
bacterial cell walls correct answer: contain polysaccharides in their peptidoglycan layer 
 
lectins correct answer: are proteins that bind to sugars 
 
protein glycolsylation correct answer: assists in folding and cellular recognition, e.g. ABO blood groups 
 
-ose correct answer: indicates a molecule is some kind of carb 
 
blood group antigens correct answer: glycoproteins containing differ...
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BCH210 MIDTERM| 213 QUESTIONS| WITH COMPLETE SOLUTIONS
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van der Waals correct answer: -weakest (short lives) but lots could strengthen the bond 
-furthest distance 
-form as a result of hydrophobic interactions 
-strength depends on the size of the atoms and the distance between them 
-cannot be closer than the Van der Waals contact distance or else positively charged nuclei will repel each other (energy= 0) 
 
Proteins correct answer: main action molecule of the cell (Most chemical processes of the body are carried out by proteins) 
-classified in...
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BCH210 Midterm 2| 300 Questions| With Complete Solutions
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types of lipids (purpose) correct answer: storage, structural, and signalling 
 
fatty acid chemical structure and charge correct answer: - fatty part is the carbon chain 
- acid part is carboxyl group (-COOH) 
- negatively charged 
 
which conformations of saturated fatty acids are most stable? correct answer: - anti conformation 
- extended conformation 
 
unsaturated fatty acids correct answer: double bonds are almost always in cis conformation which results in kinks in structure 
 
mono-...
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BCH210 Midterm 2| 316 Questions| With Complete Solutions
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Essential Membrane Functions correct answer: act as barrier 
regulate import and export of molecules 
compartmentalization of processes increases efficiency 
 
membrane properties correct answer: composed of lipid bilayer 
impermeable to polar molecules 
asymmetric 
 
membrane fluidity correct answer: lipids and proteins rotate or move within bilayer; allows cell movement, growth, division, secretion, cell junction formation, and self-heal if punctured 
comformational changes mediate 
 
fluid...
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BCH210 Midterm Test 1| 160 Questions| With Complete Solutions
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proteins correct answer: polymers of amino acids linked in a linear chain by peptide/amide bonds (polypeptides) 
 
polysaccharides correct answer: polymers of sugars (mono-saccharides) linked in linear and branched chains by glycosidic bonds 
 
DNA correct answer: polymers of nucleotides linked in linear chains by phosphodiester bonds 
 
protein enzymes correct answer: Linkages (bonds) are formed/broken by _______? 
 
sickle cell anemia correct answer: a single amino acid change in hemoglob...
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CH21 - Timeshares Questions and Answers 100% Accurate
- Exam (elaborations) • 7 pages • 2024
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CH21 - Timeshares
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BCH210 Quiz Raffle! Questions With Complete Solutions
- Exam (elaborations) • 22 pages • 2023
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Which ONE of the following amino acids may be linked covalently to an oligosaccharide via an O-glycosidic bond? 
A. Glc 
B. Tyr 
C. Thr 
D. Asp correct answer: C - Thr has an OH side chain 
 
Which ONE of the following statements is CORRECT regarding the role of thermodynamics in glycolysis? 
A. It is spontaneous in the forward direction due to the cleavage of glucose into 2 molecules. 
B. ATP is required as the pathways is unfavourable under standard conditions. 
C. Thermodynamically favourabl...
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BCH210 Term Test #2| 171 Questions| With Complete Solutions
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Membranes (both outside and inside the cell) correct answer: Not a static structure, very important for cell function. They contain proteins that are very complex and vital to cell life. 
 
Mitochondria membranes correct answer: Very vital for the cell, has both an inner and outer membrane. 
 
What drives membrane formation? correct answer: A decrease in ionic interactions with water / limiting the hydrophobic interactions drives membrane formation. 
 
Lipid tails are ... correct answer: Hyd...
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BCH210 Exam Questions With Complete Solutions
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What is the formula for a monosaccharide? Use an example to describe how monosaccharides link to form disaccharides correct answer: (CH2O)*n, where n is the number of carbons and must be greater than 3 (e.g. glucose has 6 carbons, C6H12O6). Glucose and fructose are both monosaccharides, which link through a glycosidic bond to form sucrose, a disaccharide 
 
Name, classify and describe the two simplest monosaccharides (3 carbons) correct answer: Glyceraldehyde: Aldo-triose, aldehyde on one end ...
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BCH210 QUIZ RAFFLE! TEST QUESTIONS WITH ALL ANSWERS REVISED AND UPDATED
- Exam (elaborations) • 13 pages • 2024
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BCH210 QUIZ RAFFLE! TEST QUESTIONS WITH ALL ANSWERS REVISED AND UPDATED 
 
How are glycolysis and gluconeogenesis (GNG) similar? 
A. All of the substrates for GNG are glycolytic products. 
B. They both contain redox and isomerization reactions. 
C. The same amount of energy released in glycolysis is used to drive GNG. 
D. In the number of enzymes. - Answer-B - isomerization: G6P <-> F6P; redox: rxns that make NADH (G) or use NADH (GNG) 
 
A- nope, not lactate/glycerol (TAG breakdown) 
C...
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