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Chapter 2, Section 3
Test Description: It's alive!! or ist it
Instructions: Answer all questions to get your test result.
1) ___ is sometimes called the blueprints of life.
A
Water
B
Nucleic acid
C
Phospholipids
D
Proteins
2) The molecule that contains the information on how to make proteins is ___.
A
DNA
B
ATP
C
a carbonhydrate
D
a phospholipid
3) The subunit of nucleic acids are ___.
A
nucleotides
B
oils
C
amino acids
D
sugars
4) ___ is a complex carbohydrate manufactured by plants.
A
Starch
B
Hemoglobin
C
Oil
D
Protein
5) The molecule that provides energy for cellular processes is ___.
A
ATP
B
RNA
C
protein
D
DNA
6) The subunits of proteins are ___.
A
sugar molecules
B
amino acids
C
nucleotides
D
enzymes
7) Cells do not use ___ for energy storage.
A
fats
B
oils
C
nucleic acids
D
carbohydrates
8) Which of the following is NOT true of proteins?
A
they are the primary source of energy for cells
B
they protect cells from foreign material
C
they speed up chemical reactions
D
they are a component of spider webs
9) In the cell membrane, ___ molecules form two layers.
A
phospholipids
B
lipids
C
carbohydrates
D
proteins
10) ___ is the passing of traits from one generation to the next.
A
Heredity
B
Homeostasis
C
Photosynthesis
D
Metabolism
*select an answer for all questions
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