Glycogen contains___ linkages that ___ be digested by animals. a α1 --> 4 glycosidic ; can b α1--> 2 glycosidic ; can c α1--> 4 glycosidic ; canNOT d β1--> 4 glycosidic ; canNOT
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Glycogen contains___ linkages that ___ be digested by animals.
a
|
α1 --> 4 glycosidic ; can |
b
|
α1--> 2 glycosidic ; can |
c
|
α1--> 4 glycosidic ; canNOT |
d
|
β1--> 4 glycosidic ; canNOT |
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- O IgG. O IgM. O IgA. O IgD. O IgE. QUESTION 97 Vancomycin O interferes with the action of the lipid carrier that transports peptidoglycan precursors across the plasma membrane. O inhibits the transpeptidation reaction in peptidoglycan biosynthesis. O blocks the addition of the pentapeptide chain during peptidoglycan biosynthesis. O inhibits the transglycosylase reaction in peptidoglycan biosynthesis. QUESTION 98 Ergot and aflatoxin are toxins sometimes found in grains contaminated with fungi. O True O FalseWhat role do glycocalyces play in the ability of bacteria to survive and cause disease? ( this answer should have at least 6 functions of a glycocalyx. Each function should describe the mechanism that allows the glycocalyx to help the bacteria survive and/or cause disease.)What role do glycocalyces play in the ability of bacteria to survive and cause disease? (use at least 6 functions of a glycocalyx each function should describe the mechanism that allows the glycocalyx to help the bacteria survive and/or cause disease.)
- PART II: Short Answer 21. Explain what it means for an active site to have electronic and shape complementary. Give hypothetical examples of each. A researcher is studying three different synthetic collagens. Collagen A is made of (Pro-Gly- Hyp)10, Collagen B is made of (Pro-Gly-Flp)10, and Collagen C is made of (Pro-Gly-Thr)io. Based on the collagen studies we did in class, which one (A, B, or C) B a) b) ( is the most like normal collagen - would be the most stable and why - because it contain fluorine which is very electronegative would be the least stable and why- c is the least stableWhich one of the following is NOT a biochemical property associated with exotoxins Group of answer choices binding to cholesterol N glycosidase activity peptidase activity ADP ribosyl transferase activity cAMP activityCellobiose is identical with maltose except that the former has a β-1, 4-glycosidic linkage True False
- ns, exoenzymes O e. Opportunistic, enterotoxins Secreting the macromolecules by fusion of the vesicle with the plasma membrane is a process called Answer: of ype here to search hp f5 4米х This biomolecule is typically used as a source of energy for cellular respiration. A -о OH О ор 0 O=P о ОН O OH N. N NH₂ NH₂ N NH x в I НО CH OH -I Н ОН Н I ОН Н ОНglycocalyx act like a molecular signature that.38 enable white blood cells to attack each other * True O False O
- In the 1860s, Louis Pasteur noticed that when headded O2 to a culture of yeast growing anaerobically onglucose, the rate of glucose consumption declined dra-matically. Explain the basis for this result, which is knownas the Pasteur effect.5- 14. Why 15. When bacteria growing at 20°C are warmed to 30°C, are they more likely to synthesize membrane lipids with (a) saturated or unsaturated fatty acids, and (b) short-chain or long-chain fatty acids? Explain. fiah (000 none 100.The following four chemicals commonly found in defined growth media contain all of the necessary atomic macronutrients, namely C, O, N, H, S and P, which microbes require: glucose (C6H12O6), K2HPO4, MgSO4.7H2O, and (NH4)HPO4. Part a. Create a simple diagram to map which growth media chemical contributes atoms to which of the four biological macromolecules (amino acids, polysaccharides, lipids, and ribonucleic acids). Part b. Consider a cell culture broth that originally (before inoculation with cells) contains 5.0 gr/L glucose (C6H12O6), 1.2 gr/L K2HPO4, 0.3 gr/L MgSO4∙7H2O, and 1.0 gr/L (NH4)HPO4. Create a table showing how much of each of the different atoms (C, H, O, K, P, Mg, S, N) are available for incorporation into cell macromolecules (assume 50% of the glucose is catabolized, while the remainder goes for energy (respiration). Express your answers with units of grams of atomic species / liter of culture broth.