NEW
Font size
S
M
L
XL
WorksheetsChapter 3 Vocabulary - Biochemistry
Total questions: 29
Worksheet time: 58mins
Name
Class
Date
1.
a covalently bonded compound that contains carbon, excluding carbonates and oxides
a)
organic compound
b)
functional group
c)
polymer
d)
macromolecule
2.
the portion of a molecule that is active in a chemical reaction and that determines the properties of many organic compounds
a)
adenosine triphosphate (ATP)
b)
functional group
c)
substrate
d)
nucleotide
3.
a simple molecule that can combine with other like or unlike molecules to make a polymer
a)
macromolecule
b)
monosaccharide
c)
monomer
d)
enzyme
4.
a large molecule that is formed by more than five monomers, or small units
a)
macromolecule
b)
polysaccharide
c)
polypeptide
d)
polymer
5.
a very large organic molecule, usually a polymer, composed of hundreds or thousands of atoms
a)
macromolecule
b)
polymer
c)
polysaccharide
d)
polypeptide
6.
a chemical reaction in which two or more molecules combine to produce water or another simple molecule
a)
hydrolysis
b)
condensation reaction (dehydration synthesis)
c)
enzyme
d)
substrate
7.
a chemical reaction between water and another substance to form two or more new substances; a reaction between water and a salt to create an acid or a base
a)
condensation reaction (dehydration synthesis
b)
enzyme
c)
hydrolysis
d)
substrate
8.
an organic molecule that acts as the main energy source for cell processes; composed of a nitrogenous base, a sugar, and three phosphate groups
a)
phospholipid
b)
nucleotide
c)
organic compound
d)
adenosine triphosphate (ATP)
9.
any organic compound that is made of carbon, hydrogen, and oxygen and that provides nutrients to the cells of living things; 1:2:1 ratio
a)
carbohydrate
b)
protein
c)
lipid
d)
nucleic acid
10.
a simple sugar that is the basic subunit, or monomer, of a carbohydrate
a)
disaccharide
b)
monosaccharide
c)
polysaccharide
d)
carbohydrate
11.
a sugar formed from two monosaccharides
a)
disaccharide
b)
monosaccharide
c)
polysaccharide
d)
carbohydrate
12.
one of the carbohydrates made up of long chains of simple sugars; polysaccharides include starch, cellulose, and glycogen
a)
disaccharide
b)
monosaccharide
c)
polysaccharide
d)
carbohydrate
13.
an organic compound that is made of one or more chains of amino acids and that is a principal component of all cells
a)
lipid
b)
nucleic acid
c)
carbohydrate
d)
protein
14.
the chemical bond that forms between the carboxyl group of one amino acid and the amino group of another amino acid
a)
peptide bond
b)
hydrogen bond
c)
covalent bond
d)
ionic bond
15.
a long chain of several amino acids
a)
peptide bond
b)
polypeptide bond
c)
adenosine triphosphate (ATP)
d)
phospholipid
16.
a type of protein or RNA molecule that speeds up metabolic reactions in plant and animals without being permanently changed or destroyed
a)
hydrolysis
b)
amino acid
c)
enzyme
d)
peptide bond
17.
a part, substance, or element that lies beneath and supports another part, substance, or element; the reactant in reactions catalyzed by enzymes
a)
monomer
b)
functional group
c)
active site
d)
substrate
18.
the site on an enzyme that attaches to a substrate
a)
active site
b)
substrate
c)
functional group
d)
monomer
19.
a large, nonpolar organic molecule, including fats and steroids; lipids store energy and make up cell membranes
a)
carbohydrate
b)
lipid
c)
protein
d)
nucleic acid
20.
an organic acid that is contained in lipids, such as fats or oils
a)
unsaturated fat
b)
glycerol
c)
fatty acid
d)
saturated fat
21.
a lipid made of three fatty acid molecules and one glycerol molecule
a)
wax
b)
phospholipid
c)
steroid
d)
triglyceride
22.
a lipid that contains phosphorus and that is a structural component in cell membrane
a)
phospholipid
b)
steroid
c)
wax
d)
triglyceride
23.
a type of structural lipid consisting of a long fatty-acid chain that is joined to a long alcohol chain
a)
triglyceride
b)
wax
c)
phospholipid
d)
steroid
24.
a type of lipid that consists of four carbon rings to which various functional groups are attached and that usually has a physiological action
a)
triglyceride
b)
phospholipid
c)
steroid
d)
wax
25.
an organic compound, either RNA or DNA, whose molecules are made up of one or two chains of nucleotides and carry genetic information
a)
protein
b)
carbohydrate
c)
lipid
d)
nucleic acid
26.
the material that contains the information that determines inherited characteristics
a)
deoxyribonucleic acid (DNA)
b)
ribonucleic acid (RNA)
c)
functional group
d)
adenosine triphosphate (ATP)
27.
a natural polymer that is present in all living cells and that plays a role in protein synthesis
a)
deoxyribonucleic acid (DNA)
b)
ribonucleic acid (RNA)
c)
functional group
d)
adenosine triphosphate (ATP)
28.
in a nucleic-acid chain, a subunit that consists of a sugar, a phosphate, and a nitrogenous base
a)
steroid
b)
monosaccharide
c)
nucleotide
d)
amino acid
29.
an organic molecule that contains a carboxyl and an amino group and that makes up proteins; a protein monomer
a)
steroid
b)
nucleotide
c)
monosaccharide
d)
amino acid
Reset
