Biology STAAR/EOC Review #2

The building block of nucleic acids are nucleotides.  Nucleotides are composed of a sugar, a phosphate group, and a _________________ base.

• oxygen
• hydrogen
• nitrogen
• carbon

What kind of information does DNA carry?

• genetic
• nuclear
• cell structure
• it doesn't carry any info

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The "genetic code" is referring to which part of the DNA molecule?

• Phosphates

• Sugars

• Nitrogenous bases

• Hydrogen bonds

Enyzmes are a very important type of protein used to

• Build bones in skeleton

• Send hormonal signals throughout body

• Speed up chemical reactions

• Photosynthesize glucose in plants

What is the monomer of proteins?

• amino acids

• polypeptides

• nucleotides

• monosaccharides

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Which macromolecules are shown?

• carbohydrates

• lipids

• proteins

• nucleic acids

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With what 3 letters do enzymes typically end?

• -ose

• -ase

• -ese

• -tic

What do monomers do?

• Bonds to make a Polymer

• Creates Protiens

• Stores energy

• Splits to make more cells

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Building blocks or monomers of lipids are

• amino acids

• nucleotides

• monosaccharides

• glycerol and fatty acids

When the DNA of an organism is altered it is referred to as…

• Mutation
• Gene Flow
• Genetic Drift
• Sexual Selection

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