Chapter 2 - Chemical Basis of Life
Authored by Holly Mosher
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University
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the maximum number of electrons the first electron shell of an atom can hold?
4
6
2
8
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What answer choice describes radioactive isotopes?
They are unstable but become stable whenever they want.
They are stable and participate in chemical bonding.
They do whatever they want.
They are unstable and will decompose, releasing energy.
3.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
RNA and DNA are examples of (a)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the most abundant inorganic substance in the body?
Air
Water
Fat
Muscle
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is an element?
Iron
Sodium Chloride
Glucose
Fructose
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Is it true that on the pH scale, the higher the number on the scale the greater the H^+ concentration is?
Yes, it is true that the higher the number means a higher H^+ concentration
No, the lower a number is on the scale, the greater the H^+ concentration is.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What building blocks form triglycerides?
One fatty acid and three glycerol molecules.
Three phosphate groups and three glycerol molecules.
Five glucose molecules and one glycerol molecule.
Three fatty acids and one glycerol.
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