Line 1: *Brain cells die quickly if their oxygen supply is cut off. If the oxygen supply to the brain is cut off, a stroke can occur. Brain cells die quickly if a stroke occurs.*
*(C)*
Line 2: *What die quickly if a stroke occurs?
Options:
- (A) a fish
- (B) animals
- (C) brain cells
- (D) organs
- (E) critical organs
- (F) protons
- (G) neutrons
- (H) bones*

Logic of a solution: *Translation reads the genetic code in mRNA and makes a protein. Translation of mRNA into protein involves the interaction of the mRNA with ribosomes. Translation of mRNA involves interaction with ribosomes.*
*(D)*
The original question: *What involves interaction with ribosomes?
Options:
- (A) permineralization
- (B) oxidation reaction
- (C) It helps them survive
- (D) Translation of mRNA
- (E) flow of electrons
- (F) animal transport
- (G) resistance activities
- (H) allow growth*

Line 1: *Ribosomes are small organelles where proteins are made. Many antibiotics affect the ribosome. Many antibiotics affect the small organelles where proteins are made.*
*(E)*
Line 2: *What can affect the small organelles where proteins are made?
Options:
- (A) Allergies
- (B) Smoking
- (C) harm them
- (D) pizza
- (E) antibiotics
- (F) adding heat
- (G) beef
- (H) carbohydrates*

Logic of a solution: *All plants have a characteristic life cycle that includes alternation of generations. Goldenrod is a plant that generates activity. Goldenrod life cycle includes alternation of generations.*
*(F)*
The original question: *What does goldenrod life cycle include?
Options:
- (A) it keeps an organism warm
- (B) sub-units of species
- (C) produce offspring
- (D) seed dispersal
- (E) The flowers are pollinated
- (F) alternation of generations
- (G) that material's properties
- (H) biological diversity*

Line 1: *Producers make food from inorganic molecules. Decomposition is the breakdown of organic molecules into inorganic molecules. Decomposition helps producers make food.*
*(A)*
Line 2: *What helps producers make food?
Options:
- (A) Decomposition.
- (B) heat energy
- (C) honeybees
- (D) Chemical energy
- (E) Electrical energy
- (F) animals
- (G) an electric stove
- (H) Power plants*

Line 1: *Ethanol is produced by alcoholic fermentation of the glucose in corn or other plants. Glucose, a type of sugar, is the body's fuel. Ethanol is produced by alcoholic fermentation of the sugar in corn or other plants.*
*(B)*
Line 2:
*What is ethanol produced from?
Options:
- (A) coal
- (B) sugar
- (C) SO2
- (D) animal fat
- (E) paper
- (F) salts
- (G) Trees
- (H) Oak*