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