Biology MCAS Review

How do enzymes work?

• slow down chemical reactions
• prevent chemical reactions from working
• increase the activation energy
• decrease the activation energy

In many cells, the structure that controls the cell's activities is the 

• cell membrane
• organelle
• nucleolus
• nucleus

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NGSS.MS-LS1-2

Despite differences in size and shape, all cells have cytoplasm and a 

• cell wall
• cell membrane
• mitochondrion
• nucleus

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NGSS.MS-LS1-2

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If a cell of an organism contains a nucleus, the organism is a 

• plant
• eukaryote
• animal
• prokaryote

Which organelle converts the chemical energy in food into a form that cells can use

• nucleolus
• chromosome
• mitochondrion
• chloroplast

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NGSS.MS-LS1-7

In addition to light and chlorophyll, photosynthesis requires

• water and oxygen
• water and sugars
• oxygen and carbon dioxide
• water and carbon dioxide

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NGSS.MS-LS1-6

The products of photosynthesis are 

• sugars and oxygen
• sugars and carbon dioxide
• water and carbon dioxide
• hydrogen and oxygen

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NGSS.MS-LS1-6

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The process of cell division results in 

• sister chromatids
• two different daughter cells
• two identical daughter cells
• unregulated growth

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NGSS.HS-LS1-4

Unlike mitosis, meiosis in male mammals results in the formation of 

• one haploid cell
• three diploid polar bodies
• four diploid gamete cells
• four haploid gamete cells

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NGSS.MS-LS3-2

Which is the correct pairing in DNA?

• A-C and G-T
• C-T and G-A
• A-T and C-G