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