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Chemical Reactions Take Place Inside Cells
Test Description: Describe the functions oflarge molecules in the cells and explain why water is important for cell activities.
Instructions: Answer all questions to get your test result.
1) Sugars and starches are ________________________ that provides cells with energy.
A
Nucleic acids
B
Lipids
C
Carbohydrates
D
Proteins
2) ____________ are molecules that make up membranes of cells and organelles.
A
DNA
B
Carbohydrates
C
Proteins
D
Lipids
3) __________ are important because they carry out many of the activities of a cell.
A
Lipids
B
Carbohydrates
C
Proteins
D
Nucleic Acids
4) __________ are molecules that carry the information cells need to grow, reproduce, and repair themselves.
A
Carbohydrates
B
Nucleic Acids
C
Lipids
D
Amino acids
5) Water is very important for a cell because many of the __________ inside a cell take place in water.
A
Subunits
B
Organelles
C
Chemical reactions
D
Chemical energy
6) Many of the ______ of a cell are made up of chains of carbon atoms.
A
Compounds
B
Subunits
C
Atoms
D
Molecules
7) Proteins are made up of _______ linkee together into long chains.
A
Amino acids
B
Fatty acids
C
Atoms
D
Nucleotides
8) Extra sugar molecules produced by plants are stored in long chains called ______.
A
Starch
B
Maltose
C
Fructose
D
Glucose
9) One important type of protein that control chemical reactions
A
Lipoproteins
B
Muscles
C
Enzymes
D
Blood
10) How does the polarity of water molecules affect lipid molecules?
A
enables lipids to release energy
B
causes the lipids to group together to form a barrier
C
causes lipids to dissolve more slowly than proteins.
D
means that lipids move by active transport
*select an answer for all questions
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