Unit Test Answers

Which speeds up the reaction between carbon dioxide and RuBP to restart the Calvin Cycle?

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After Frida stops exercising, she continues to breathe heavily. What is most likely occurring in her body?

Which events take place in the light-dependent reactions of photosynthesis?

Which structure is found in the cytoplasm of a prokaryotic cell, but is not found in the cytoplasm of a eukaryotic cell?

Lewis is exercising and his muscles need oxygen. Which best describes how systems interact to bring his body into homeostasis?

Which statement best distinguishes an observation from an inference?

Suppose that a patient is diagnosed with a new disease caused by the buildup of waste material in the body’s cells. Which organelle is most likely malfunctioning in the patient’s cells?

Which organelle breaks down sugar molecules that supply energy to the cell?

A scientist discovers a cell that has chloroplasts, cytoplasm, DNA, and a cell membrane. Which statement best describes how the cell could be classified?

Neurons and neuroglia work together to form nervous tissue, which is part of the nervous system. Which describes neurons and neuroglia?

A scientist is comparing the outer layer of an onion cell to the outer layer of a human skin cell. What is unique about the outer layer of the onion cell compared to the skin cell?

The data in the table were recorded during an investigation in which a paramecium was placed in a hypertonic salt solution. If this data is shown in a bar graph, which description accurately represents the bars?

Which organelle makes the proteins that are needed by the cell?

Which best defines homeostasis?

What role does cellular respiration play in the carbon cycle?

Once the body has begun shivering, what happens to make it stop shivering?

Consider this animal cell.Which organelles are labeled D, and what is one feature that distinguishes them from the other labeled organelles?

The endosymbiotic theory provides an explanation for the origin of chloroplasts. Which trait of chloroplasts supports this explanation?

In what way are the light-dependent and light-independent reactions of photosynthesis similar?

The role of the cell membrane is most like the job of which person?

How is mitochondrial DNA (mtDNA) typing used in forensic science?

How would the contractile vacuole of a freshwater amoeba respond if the organism was placed in seawater?

The lungs, nose, and trachea are organs of the respiratory system. Which best describes these organs?

Consider this animal cell.Which organelles are labeled G?