Bio 101 Exam 2 Review Questions

Which enzyme is responsible for carbon fixation in the Calvin cycle?

• ATP synthase

• NADP+ reductase

• Rubisco

• Hexokinase

What stage of mitosis involves the chromosomes lining up along the metaphase plate?

• Prophase

• Metaphase

• Anaphase

• Telophase

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NGSS.HS-LS1-4

What is the role of NAD+ in cellular respiration?

• It serves as an electron donor

• It acts as an electron carrier

• It generates ATP through phosphorylation

• It splits glucose into pyruvate

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NGSS.HS-LS1-7

NGSS.HS-LS2-3

Which process occurs in the mitochondria and generates the bulk of ATP?

• Glycolysis

• Pyruvate oxidation

• Citric acid cycle

• Oxidative phosphorylation

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NGSS.HS-LS1-7

What are the primary products of the light reactions of photosynthesis?

• Glucose and O2

• Co2 and H2O

• ATP, NADPH, and O2

• G3P and RuBP

Which event during meiosis increases genetic diversity by exchanging segments between homologous chromosomes?

• Independent assortment

• Synapsis

• Crossing over

• Chromosome condensation

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NGSS.HS-LS3-2

NGSS.HS-LS4-2

What is the primary structural component of the cell membrane?

• Proteins

• Cholesterol

• Phospholipid bilayer

• Glycoproteins

How do CAM plants conserve water for photosynthesis?

• By closing stomata during the day and opening them at night

• By opening stomata during the day and closing them at night

• By performing photosynthesis only in the root cells

• By using Rubisco more efficiently

Which type of solution causes a cell to shrivel due to water loss?

• Hypotonic

• Hypertonic

• Isotonic

• None of the above

Facilitated diffusion differs from simple diffusion because it:

• Requires energy from ATP

• Moves molecules against their concentration gradient

• Involves the use of transport proteins

• Only occurs in plant cells