Your Little Sister Is in 7th Grade and Has a Boyfriend.Your

question 25

Multiple Choice

Your little sister is in 7th grade and has a boyfriend.Your parents are not very happy about this and think that not only that she is too young to have an intimate relationship but also that this behavior is very unusual for a 7th grader.What do you tell them?

• A)This is not unusual; 80% of 7th graders have intimate relationships.
• B)This is not unusual; 60% of 7th graders have intimate relationships.
• C)This is unusual; only 44% of 7th graders have intimate relationships.
• D)This is unusual; only 17% of 7th graders have intimate relationships.

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Definitions:

Lowest pH

Refers to the solution with the highest concentration of hydrogen ions (H+), indicating it is the most acidic among a set of given solutions.

Amino Acids

Organic molecules that serve as the building blocks of proteins, containing both an amino group (\(NH_2\)) and a carboxyl group (\(COOH\)).

Aspartic Acid

An α-amino acid used in the biosynthesis of proteins, known for participating in the synthesis and release of neurotransmitters.

Methionine

An essential amino acid used in the biosynthesis of proteins.