BSC1010L QUIZ 3 EXAM QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE
What are the four biological macromolecules?
carbohydrates, lipids, proteins, nucleic acids
What are the basic subunits for carbohydrates?
monosaccharides
What are the basic subunits for lipids?
hydrophobic molecules (glycerol or fatty acids)
What are the basic subunits for proteins?
amino acids
What are the basic subunits for nucleic acids?
nucleotides
What are the macromolecule tests?
benedict's, iodine, paper spot, sudan iv, biuret
What is the Benedict's test reagent?
Copper or Benedict's reagent or glucose
What is the Biuret's test reagent?
Biuret reagent or albumin
What is the Iodine test reagent?
starch
What is the paper spot test reagent?
, corn oil or lipids
What is the sudan iv test reagent?
corn oil or lipids
What does Benedict's test test for?
reducing sugars
What does the iodine test test for?
starches
What does the sudan iv test test for?
lipids
What does the paper spot test test for?
lipids
What does the biuret test test for?
proteins
What does a positive result for the benedict's test look like?
substance turns a light green, yellow, orange, or brick-red
What does a negative result on the benedict's test look like?
substance stays light blue
What does a positive result for the iodine test look like?
substance turns blue-black
What does a negative test result for the iodine test look like?
substance stays yellowish-brown
What does a positive test result for the paper spot test look like?
When the paper dries, the spot is still translucent/transparent
COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE
What are the four biological macromolecules?
carbohydrates, lipids, proteins, nucleic acids
What are the basic subunits for carbohydrates?
monosaccharides
What are the basic subunits for lipids?
hydrophobic molecules (glycerol or fatty acids)
What are the basic subunits for proteins?
amino acids
What are the basic subunits for nucleic acids?
nucleotides
What are the macromolecule tests?
benedict's, iodine, paper spot, sudan iv, biuret
What is the Benedict's test reagent?
Copper or Benedict's reagent or glucose
What is the Biuret's test reagent?
Biuret reagent or albumin
What is the Iodine test reagent?
starch
What is the paper spot test reagent?
, corn oil or lipids
What is the sudan iv test reagent?
corn oil or lipids
What does Benedict's test test for?
reducing sugars
What does the iodine test test for?
starches
What does the sudan iv test test for?
lipids
What does the paper spot test test for?
lipids
What does the biuret test test for?
proteins
What does a positive result for the benedict's test look like?
substance turns a light green, yellow, orange, or brick-red
What does a negative result on the benedict's test look like?
substance stays light blue
What does a positive result for the iodine test look like?
substance turns blue-black
What does a negative test result for the iodine test look like?
substance stays yellowish-brown
What does a positive test result for the paper spot test look like?
When the paper dries, the spot is still translucent/transparent
