BIO 110- MOLECULAR AND CELL
BIOLOGY EXAM QUESTIONS WITH
CORRECT ANSWERS
Breakage of the back-bone of the long chain macromolecule (viscosity increases) -
Correct Answers -What is Main-Chain Scission?
Breakdown into smaller molecules - Correct Answers -What does a main-chain scission
of a macromolecule result in?
Small spur-like structures that extend off the main chain and attach to neighboring
macromolecules. - Correct Answers -What is cross-linking of macromolecules?
Point Lesion - Correct Answers -What is a disruption of a single chemical bond that
causes malfunction within the cell?
It will break down into smaller molecules - Correct Answers -What happens to a
macromolecule if it has a point lesion?
Irradiation of water - Correct Answers -What represents the principle radiation
interaction in the body?
When water(H2O) is irradiated, which ionizes and breaks it down or disassociates it into
two ions - Correct Answers -What is Radiolysis?
HOH+
e- - Correct Answers -What are the two ions that come from the irradiated water atom?
DNA - Correct Answers -What is the most radiosensitive molecule?
Where is the DNA contained?
In the Chromosomes of the cell nucleus - Correct Answers -In the Chromosomes of the
cell nucleus
Main chain scission with one side rail severed
Main chain scission with both side rails severed
Main chain scission and subsequent cross-linking
Breakage causing a separation of bases
Change in or loss of a base - Correct Answers -What are the 5 types of DNA damage?
BIOLOGY EXAM QUESTIONS WITH
CORRECT ANSWERS
Breakage of the back-bone of the long chain macromolecule (viscosity increases) -
Correct Answers -What is Main-Chain Scission?
Breakdown into smaller molecules - Correct Answers -What does a main-chain scission
of a macromolecule result in?
Small spur-like structures that extend off the main chain and attach to neighboring
macromolecules. - Correct Answers -What is cross-linking of macromolecules?
Point Lesion - Correct Answers -What is a disruption of a single chemical bond that
causes malfunction within the cell?
It will break down into smaller molecules - Correct Answers -What happens to a
macromolecule if it has a point lesion?
Irradiation of water - Correct Answers -What represents the principle radiation
interaction in the body?
When water(H2O) is irradiated, which ionizes and breaks it down or disassociates it into
two ions - Correct Answers -What is Radiolysis?
HOH+
e- - Correct Answers -What are the two ions that come from the irradiated water atom?
DNA - Correct Answers -What is the most radiosensitive molecule?
Where is the DNA contained?
In the Chromosomes of the cell nucleus - Correct Answers -In the Chromosomes of the
cell nucleus
Main chain scission with one side rail severed
Main chain scission with both side rails severed
Main chain scission and subsequent cross-linking
Breakage causing a separation of bases
Change in or loss of a base - Correct Answers -What are the 5 types of DNA damage?
