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Chapter 2

Chemistry of life

The type of chemical reaction most likely to require energy is a(n) _____ reaction. synthesis
As a result of which reaction during catabolism is a water molecule added to break a larger compound into smaller subunits? hydrolysis
An element that contains the same number of protons but different numbers of neutrons is called a(n) isotope.
The most abundant element essential to life is carbon.
For sodium to transform from a neutral atom to a positive ion, it must: lose an electron.
Which subatomic particles carry a charge? Protons and electrons
Electrolytes are: called cations if they have a positive charge.
As the concentration of hydrogen ions increases, the pH goes _____, and the solution becomes more _____. down; acidic
A molecule that is polar: can form a hydrogen bond, has an unequal charge.
Which of the following is not a subatomic particle? Radon
Salts: can form as the result of a chemical reaction between acids and bases, are electrolytes, will form crystals if the water is removed.
The elements carbon, hydrogen, oxygen, and nitrogen make up which percentage of the human body? 96%
The study of metabolism includes examination of: catabolism, anabolism, ATP requirements.
Which of the following is not one of the major elements present in the human body? Zinc
The atomic number of carbon is 6. How many unpaired electrons are in its outer shell? Four
The study of metabolism includes examination of: catabolism, anabolism, ATP requirements.
Created by: Salilopez
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