Chemistry Of Life: Question Preview (ID: 2448)


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Acid solutions are produced by the release of ________ ions.
a) Potassium b) Sodium c) Oxygen d) Hydrogen
Atoms of the same element that have different numbers of neutrons are called ____.
a) isotopes b) polymers c) molecules d) compounds
Which of the following carbohydrates is a polysaccharide?
a) glucose b) fructose c) sucrose d) starch
What are saturated fats?
a) lipids with double bonds between carbon atoms b) proteins with double bonds between carbon atoms c) proteins with single bonds between carbon atoms d) lipids with single bonds between carbon atoms
Negatively charged particles that move around the nucleus of an atom are called ____.
a) isotopes b) neutrons c) electrons d) protrons
A(n) ____________ bond involves the sharing of electrons.
a) ionic b) covalent c) hydrogen d) molecular
Small compounds that form proteins are called ____.
a) amino acids b) phospholipids c) carbohydrates d) lipids
Which of these elements is NOT part of a carbohydrate molecule?
a) oxygen b) nitrogen c) hydrogen d) carbon
A base _________.
a) measures below pH 7 b) forms hydroxide ions (OH-) in water c) combines with water to form an acid d) forms hydrogen ions (H-) in water
The total number of atoms in the molecule glucose, C6H12O6
a) 48 b) 24 c) 6 d) 12
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