29. What term best describes the following reaction carried out by Brucella suis? SO4 → APS →→→ H2S → Methionine (amino acid) A. Catabolism B. Amphibolism C. Dissimilation D. Autotrophy E. Assimilation 30. The foamy “head" (arrow) on this fermentation product comes directly from A. N2 gas release D. Acetoin release E. Decarboxylation of pyruvate B. Sulfate reduction to H2S gas C. Lactate buildup

1. a. why the hemacytometer method is not compatible with mycelium b. Explain at what stage of growth the fermentation in the batch system is stopped

Merthilate Mercurocheme Listerine mouthwash Signal mouthwash 5. Which disinfectant in Fig. A would you use to clean your bathroom? a. Signal mouthwash b. iodine c. Listerine d. Mercurochrome e. Merthiolate you use? 6. To remove carbon dioxide from pyruvate, which one of the following organisms would a. B. cereus-VP+ b. S. aureus-catalase + c. E. coli- Decarboxylase + d. P. vulgaris- lipase + e. E. aerogenes- Gelatinase + 7. After adding Kovac's reagent to your test tube, you noticed a magenta color which indicates that is being metabolized. a. tryptophan b. leucine c. glucose d. sucrose e. lactose Fig. A 8. A positive methyl red test indicates a. the presence of acetoin b. a probable negative vp test c. mixed acid fermentation d. a pH of 7 or more e. b & c 11

21. Fermentation in human cells produces 22. Yeast produce & during anaerobic respiration.

Before amano acads can enter to glycolysts and the CA wo group must be removed by a process A deamination Bamination C carboxylation A decarboxylation B. dehydrogenation

1. Select one product of anaerobic respiration or fermentation.2. It should include the following:     a. Description of the Product     b. Method/ Process of Creating the Product     c. Uses/ Importance of the Product

Which of the following coenzymes accepts electrons that was removed in the succinate of the Krebs Cycle? A. ADP C. GDP B. FAD D. NAD+

The Calve cyde begins when CO2 reacts with A GOP B Ribulosne baphosphate (RuBP) C Oxaloacetate D. Phosphoenolpyruvate E Dihydroxyacetone phosphate

A.  What is substrate level phosphorylation.  B. Although oxygen does not participate directly in the citric acid cycle , the cycle only operates when oxygen is present. Why is this so so ? C.describe how hibernating animals and new born babies are able to keep warm  without shivering.  D. What is the metabolic  purpose of hexose monophospate shunt pathway  E.hg does G6PD deficient  individuals  have increase in resistance  to malaria?

These are enzymes that can sustain in a high hydrostatic pressure. * (Please choose one correct answer only)   A. Piezohiles B. Halophiles C. Acidophiles D. Alkaliphiles E. Thermophiles