BioChemistry Exam Module 1-3 Questions and
Answers.
What functional group reacted to form water and make the glycosidic bond? - Correct
Answer 2 hydroxyl (-OH and -OH)
If glucose and fructose are monosaccharides, what type of a saccharide do you think
sucrose is described as? - Correct Answer disaccharide
The reverse reaction breaks sucrose back down to glucose and fructose. Why is this
reverse reaction called a hydrolysis reaction? - Correct Answer breaking sucrose is a lysis
reaction through the addition of water
What bond holds two amino acids together? - Correct Answer peptide bond
what are ice floats - Correct Answer when water is less dense at 0C compared to 4C
What is turgid pressure in plants? - Correct Answer it provides structural support due to its
ability to be compressed
what is a solvent? - Correct Answer charged ends of water molecules allow them to
surround a solute in solution
what is cohesive force? - Correct Answer due to H- bonding, H2O adheres to surfaces
What is hydrolysis? - Correct Answer addition of H2O can break apart molecules into
smaller ones
What is a dehydration reaction? - Correct Answer H2O formed when 2 molecules come
together to form a larger one
when does hydrogen bonding occur? - Correct Answer when a hydrogen atom bonded to
an electronegative atom is electrostatically attracted to an electron pair on an adjacent
molecule
stucture of H2O - Correct Answer
Answers.
What functional group reacted to form water and make the glycosidic bond? - Correct
Answer 2 hydroxyl (-OH and -OH)
If glucose and fructose are monosaccharides, what type of a saccharide do you think
sucrose is described as? - Correct Answer disaccharide
The reverse reaction breaks sucrose back down to glucose and fructose. Why is this
reverse reaction called a hydrolysis reaction? - Correct Answer breaking sucrose is a lysis
reaction through the addition of water
What bond holds two amino acids together? - Correct Answer peptide bond
what are ice floats - Correct Answer when water is less dense at 0C compared to 4C
What is turgid pressure in plants? - Correct Answer it provides structural support due to its
ability to be compressed
what is a solvent? - Correct Answer charged ends of water molecules allow them to
surround a solute in solution
what is cohesive force? - Correct Answer due to H- bonding, H2O adheres to surfaces
What is hydrolysis? - Correct Answer addition of H2O can break apart molecules into
smaller ones
What is a dehydration reaction? - Correct Answer H2O formed when 2 molecules come
together to form a larger one
when does hydrogen bonding occur? - Correct Answer when a hydrogen atom bonded to
an electronegative atom is electrostatically attracted to an electron pair on an adjacent
molecule
stucture of H2O - Correct Answer
