Chemical Reactions Take Place Inside Cells: Question Preview (ID: 2446)

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Sugars and starches are ________________________ that provides cells with energy.
a) Carbohydrates
b) Lipids
c) Proteins
d) Nucleic acids

____________ are molecules that make up membranes of cells and organelles.
a) Lipids
b) Proteins
c) Carbohydrates
d) DNA

__________ are important because they carry out many of the activities of a cell.
a) Proteins
b) Carbohydrates
c) Nucleic Acids
d) Lipids

__________ are molecules that carry the information cells need to grow, reproduce, and repair themselves.
a) Nucleic Acids
b) Lipids
c) Carbohydrates
d) Amino acids

Water is very important for a cell because many of the __________ inside a cell take place in water.
a) Chemical reactions
b) Chemical energy
c) Organelles
d) Subunits

Many of the ______ of a cell are made up of chains of carbon atoms.
a) Molecules
b) Subunits
c) Compounds
d) Atoms

Proteins are made up of _______ linkee together into long chains.
a) Amino acids
b) Nucleotides
c) Atoms
d) Fatty acids

Extra sugar molecules produced by plants are stored in long chains called ______.
a) Starch
b) Glucose
c) Fructose
d) Maltose

One important type of protein that control chemical reactions
a) Enzymes
b) Blood
c) Muscles
d) Lipoproteins

How does the polarity of water molecules affect lipid molecules?
a) causes the lipids to group together to form a barrier
b) causes lipids to dissolve more slowly than proteins.
c) enables lipids to release energy
d) means that lipids move by active transport

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