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- Bread dough made from wheat flour will leaven (rise) when left at room temperature for 30 min because: a. pathogenic bacteria like E. coli double in population density every 30 minutes at room temperature b. it contains sodium acetate which lowers the pH to 4.5 c. yeast added to the dough consume sucrose (table sugar) and produce ethanol + CO2 (carbon dioxide gas) during this 30 min period at room temperature d. egg white albumen protein was painted onto the surface prior to baking e. gluten in the dough traps gases that are produced during the fermentation that occurs during this 30 min period at room temperature1. Choose A if the FIRST quantity is the larger of the 2 Choose B if the SECOND is the larger of the 2 Choose C if the 2 quantities are equal in size 2. Choose A if the FIRST quantity is the larger of the 2 Choose B if the SECOND is the larger of the 2 Choose C if the 2 quantities are equal in size 3. Choose A if the FIRST quantity is the larger of the 2 Choose B if the SECOND is the larger of the 2 Choose C if the 2 quantities are equal in sizei) Describe the proteins in terms of their size and abundance in the whey and deproteinated whey samples. ii) Provide a conclusion about how boiling affected the whey proteins. Must answer both and explained properly
- 76% =et 10:58 ص خميس 17 أيلول A docs.google.com 13-bioactive materials refers to c) A material, which upon being placed within the human body interacts with the surrounding O d) all of above b) Any material that once placed in the human body has minimal interaction with its surrounding tissue a) To a material that upon placement within the human body starts to dissolve and slowly replaced by advancing tissue (such as bone). 14-Compared to pure metals, alloys are . d) Harder. a) Likely to have higher melting points. O b) More dense. O c) More expensive.3. A white powder thought to be morphine (C₁,H₁NO,) was found next to an unconscious person. Analysis of the powder produced the following result: 71.56% C, 6.71% H, 4.91% N. Show whether this analysis is consistent with morphine and what conclusion can be drawn from this piece of evidence. (M./gmol C-12.011; H 1.0079; 015.999; N=14.007]Question 1 a) How the “FOOD BORNE DISEASES” are spread? Enlist all the “Types of Food Borne Diseases” with a brief note of each one. b) Differentiate between ‘Free Available Chlorine, Combined Available Chlorine and Total Chlorine’. Give ‘Examples with their Chemical Names’ and ‘chemical formulae’. Which ‘Group’ is ‘Stronger than the Other’ and by ‘How Many Times’ OR ‘Percentage’.
- 16. Photosynthetic organisms use energy from the sun to reduce A) formaldehyde; ethanol B) CO2; ethanol C) CO2;; carbohydrates D) CO2; oxygen E) none of the above toa) bacteria are “obligate anaerobes.” What does this mean? On Earth, where might these organisms live? (Give examples.) b) Humans (and most Eukaryotic organisms) are obligate aerobes. What does this mean? On Earth, where might these organisms live? (Give examples.)My freezer broke,so I had to empty $500 of ruined food from the 390 liter freezer Now that my freezer is empty, room temperature,and waiting for the haul-away,if I were to fill it with 100% nitrogen gas instead of food, how many moles of nitrogen would fill a 390 liter freezer at STP?
- 4 5. 15. Ingredients are listed in order by: 16. Functions of food additives include: 17. Foods that claim to be "fresh": 18. The Percent Daily Values on food labels are based on a diet of: 19. Insulin is: 20. A diet high in sodium might increase: 21. A substance that protects against cell damage and is associated with lower risks of some types of cancer is: 22. The ideal range for temperature of a refrigerator should be: 23. Eggs are most likely to be contaminated by: Salmonella bacteria. 24. A food-borne illness most likely to be found in undercooked meat, especially hamburger, is : Escherichia coli.What is the Carbon content of Cast Irons? O a) Less than 2% O b) More than 2% Od Less than 14% O d) More than 14%Define and differentiate the following terms: a.Halophilic , b.Capnophilic, and c.Microaerophilic