Which has the most impact on the rate of cellular respiration?

• water

• oxygen

• light energy

• carbon dioxide

This cladogram shows the evolutionary history of algae.

Which 2 organisms are most closely related. (Please disregard the drawn circle)

• land plants and diatoms

• euglenoids and red algae

• euglenoids and green algae

• land plants and cryptomonads

If ribosomes failed to function in a cell, which process would be most affected?

• energy production

• protein synthesis

• cellular reproduction

• intracellular digestion

Which organelles are responsible for converting glucose into chemical energy?

• vacuoles

• ribosomes

• mitochondria

• cytoskeletons

Which environmental factor is most closely linked to causing skin cancer?

• x-ray radiation exposure

• uv radiation exposure

• vitamin deficiency

• an unhealthy diet

An athlete is running a race when suddenly his legs begin to cramp. Which process is most likely responsible for the athletes leg cramps?

• glycolysis

• cellular respiration

• alcoholic fermentation

• lactic acid fermentation

Which is the most likely response a cell will have if its pH is too high?

• absorb water to try and dilute its pH

• generate a base to neutralize its pH

• rely on buffers to bring the pH back to normal

• self destruct to keep from contaminating nearby cells

Which is likely a disease of the cell cycle?

• cancer

• albinism

• hepatitis

• sickle cell anemia

Which would most likely produce specialization in a cell?

• the cell's RNA

• the cell's DNA

• the cell's location

• the cell's nutrition

How do eukaryotic cells compare to prokaryotic cells?

• Both contain a plasma membrane.

• Both contain large and small vacuoles.

• Eukaryotic cells have a cell wall, which prokaryotic cells lack.

• Eukaryotic cells lack mitochondria, which prokaryotic cells contain.