The Challenging Biology Quiz 2
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- 1.A Carbohydrate consists of
- A.
Amino acid units
- B.
One or more sugar units
- C.
Lipid droplets
- D.
Glycerol
- 2.A Protein is made up of
- A.
Amino acid units
- B.
One or more sugar units
- C.
Lipid droplets
- D.
Biruret solution
- 3.Benedict's solution is commonly used to test for
- A.
Proteins
- B.
Simple sugars
- C.
Nucleic acids
- D.
Lipids
- 4.Glycogen is
- A.
A polysaccharide
- B.
A storage carbohydrate
- C.
Found in human tissues
- D.
All of the above
- 5.To test for starch, one would use
- A.
Benedict's solution
- B.
Uncoated paper
- C.
Sudan IV
- D.
Lugol's iodine solution
- 6.Rich sources of stored energy that are dissolvable in organic solvents are
- A.
Carbohydrates
- B.
Proteins
- C.
Glucose
- D.
Lipids
- 7.Polysaccharides consist of
- A.
Monosaccharaides linked in chains
- B.
Amino acid units
- C.
Glyceride unites
- D.
Condensed fatty acids
- 8.Biuret reagent will indicate the presence of
- A.
Peptide ponds
- B.
Proteins
- C.
Amino acids units linked together
- D.
All of the above
- 9.Let's Suppose you are worried that you've developed diabetes, a condition in which blood glucose levels rise and glucose accumulates in the urine. Recalling what you learned in class, what could you do to determine you have diabetes?
- A.
Collect some urine, find some Sudan IV and perform a Sudan IV. As in class, a reddish-orange precipitate would indicate the presence of high urine glucose
- B.
Collect some urine, find some Biuret Reagent Test and perform a Biuret Reagent Test. As in class, a reddish-orange precipitate would indicate the presence of high urine glucose
- C.
Collect some urine, find some iodine solution Test and perform a iodine solution Test. As in class, a reddish-orange precipitate would indicate the presence of high urine glucose
- D.
Collect some urine, find some benedict's solution and perform a benedict's test. As in class, a reddish-orange precipitate would indicate the presence of high urine glucose
- 10.How do you verify that a soft-drink can contain diet soda rather than soda sweetened with fructose>
- A.
Test the two liquids with a Sudan IV test. Soda sweetened with fructose will test positive (for a reddish-brown precipitate), while diet soda will give a negative test and the benedict's solution will remain blue in color
- B.
Test the two liquids with a benedict's test. Soda sweetened with fructose will test positive (for a reddish-brown precipitate), while diet soda will give a negative test and the benedict's solution will remain blue in color
- C.
Test the two liquids with a Lugol's test. Soda sweetened with fructose will test positive (for a reddish-brown precipitate), while diet soda will give a negative test and the benedict's solution will remain blue in color
- D.
Test the two liquids with a Biuret regent's test. Soda sweetened with fructose will test positive (for a reddish-brown precipitate), while diet soda will give a negative test and the benedict's solution will remain blue in color
- 11.To test for lipids you need to conduct a __________ Test
- 12.To test for sugar, conduct the test for sugars using _______ Solution.
- 13.____________ sample serves as a control to give negative results to each of the chemical test
- 14.Required inorganic (non carbon containing) nutrients such as calcium and potassium
- 15.A simple sugar or a larger molecule composed of multiple sugar units
- 16.Necessary organic molecules that our bodies do not construct from other molecules; we require _________ in our diets in only small amounts
- 17.Large organic molecules of which all cells are made
- 18.Two monosaccharides are joined to form _________.Ex. Sucrose (common table sugar)Maltose(found in many seeds)Lactose (Milk sugar)
- 19.More than two monosaccharides are bonded together, the resulting large carbohydrate molecule is called ___________.
- 20._________ are oily or greasy compounds insoluble in water, but dissolvable in non polar solvents such as ether or chloroform.
- 21.All proteins are chains of _____________.
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Sample QuestionA Cell builds it's proteins from the Instructions encoded inits _________?
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Sample QuestionWhat is the function of a cell wall?
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Sample QuestionAll cells contain which of the following:
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