ANSC 221 Purdue: Final Exam All Possible Questions and Answers Already Passed 100%

ANSC 221 Purdue: Final Exam All Possible Questions and Answers Already Passed 100% Who was Dr. William Beaumont? - Answer ️️ -He tried to close a hole in the stomach of Alexio St. Martin. What did Dr. William Beaumont propose? - Answer ️️ -Proposed in 1833 that the noises you hear from your stomach are stomach contractions and not spirit. Who is Lavoisier? - Answer ️️ -The Father of Nutrition What did Lavoisier design? - Answer ️️ -Designed a calorimeter which measured the heat produced by the body from work and consumption of varying amounts and types of foods Who was Dr. James Lind? - Answer ️️ -A British naval surgeon who determined that lemon juice (called limes) kept sailors healthy, preventing scurvy. Hence the British navalmen are called limeys. What did Babcock propose? - Answer ️️ -feed dairy cattle feed from just one source, all corn plant or all wheat plant Who were the associates of Babcock that finished his feeding experiment? - Answer ️️ -Hart, Humphrey, McCollum, and Steenbock What did Funk do? - Answer ️️ -Named vitamins after "vital amines", thought newly discovered things were amines What was the earliest recorded nutritional experiment? - Answer ️️ -Book of Daniel in the Bible. Daniel was among the finest young men captured by the King of Babylon when the Babylonians over ran Israel, and was to serve in the King's court. He was to be fed from the King's table of fine foods and wine. Daniel objected and preferred his own choices, which included vegetables (pulses) and water. The chief steward was afraid for his head, but agreed to a trial. Daniel and his friends received his own diet for 10 days and then were compared to the King's men. As they appeared fitter and healthier, they were allowed to continue with their own foods, not defiling themselves with those of the King. Define a sugar - Answer ️️ -A term usually denoting a mono or di saccharide. Technically sugars are polyhydroxy aldehydes or ketones or their anhydrides. Define monosaccharide - Answer ️️ -a simple sugar, composed of one sugar molecule Define disaccharide - Answer ️️ -Two units of simple sugars combined. Example: sucrose is composed of glucose + fructose. Define polysaccharide - Answer ️️ -Any chain of sugar molecules composed of more than two simple sugars is usually called a polysaccharide, although technically there are trisaccharides as well as monosaccharides and disaccharides. Define starch - Answer ️️ -A polysaccharide composed of repeating units of maltose (glucose + glucose) hooked together with alpha bonds. Quite digestible. Two forms are amylase and amylopectin. Define cellulose - Answer ️️ -A complex carbohydrate composed primarily of glucose molecules hooked together with beta bonds. Since the beta bond is unbreakable by any mammalian enzyme (mammals don't make cellulase), it is indigestible without microbial help. Define glycogen - Answer ️️ -A form of polysaccharide that is stored in animal cells for ready energy. It is made of all glucose, with considerable branching in its structure. It is only present in very limited quantities for a ready supply of sto