Dina Always Got Good Grades in High School, Although She

question 17

Multiple Choice

Dina always got good grades in high school, although she was considered a quiet student who asked few questions and spoke up in class only when called on. Now she is in her first term at college and things aren't going well in her biology class. She failed her first quiz and barely passed the first test. For the first time in her life, she is seriously concerned that she might fail a course. What will Dina need to do to improve her grade in biology?

• A) Spend more time studying alone rather than in a study group.
• B) Work up the courage to ask questions and seek help.
• C) Remind herself that her family and friends expect her to do well in school.
• D) Deny that she is having difficulty and focus on being more confident.

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Definitions:

Molecular Ion Region

The part of a mass spectrum that shows the peaks corresponding to the molecular ions, providing information about the molecular weight of a compound.

Mass Spectrum

A graph or data set representing the distribution of ions by their mass-to-charge ratio, used to identify or quantify substances.

2-Hexanol

A secondary alcohol with the molecular formula C6H14O, characterized by an hydroxyl group attached to the second carbon of a six-carbon linear chain.

M/z Value

The mass-to-charge ratio, a critical parameter in mass spectrometry for identifying the molecular weight and structure of compounds.