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Questions in biology

📝 Answered - When an athlete is nearing the end of a race and her cells are low on oxygen, which of the following is likely to occur in her cells so that glycolysis can continue to produce ATP? A. Protein synthesis B. DNA synthesis C. Fermentation D. Cell-to-cell communication

📝 Answered - A tall plant (TT) is crossed with a short plant (tt). If the tall F1 pea plants are allowed to self-pollinate, what will the offspring be? A. The offspring will be of medium height. B. All of the offspring will be tall. C. All of the offspring will be short. D. The offspring can be tall or short.

📝 Answered - Which statement best describes the function of veins, arteries, and capillaries in the circulatory system? A. Veins transfer oxygen-depleted blood away from the heart; arteries transfer oxygen-rich blood to the heart; capillaries provide blood to individual cells. B. Veins provide blood to individual cells; capillaries transfer oxygen-depleted blood away from the heart; arteries transfer oxygen-rich blood to the heart. C. Veins transfer oxygen-depleted blood away from the heart; capillaries transfer oxygen-rich blood to the heart; arteries provide blood to individual cells.

📝 Answered - Which term best describes the relationship between the flea and the mountain lion? A. Competition B. Mutualism C. Predation D. Parasitism

📝 Answered - Trace fossils like coprolite and gastrolith can tell us what? A. That an organism was once active in an area B. That an organism was never active in an area C. Exactly how big an organism was D. The typical number of dinosaur eggs in a nest

📝 Answered - The development of the cell theory involved: A. different ideas from different scientists. B. the efforts of one scientist. C. work with computer models. D. complete agreement among scientists.

📝 Answered - The skeletal part of the musculoskeletal system: A. Helps the body to create heat. B. Protects the organs of the body. C. Produces facial expressions. D. Eliminates wastes from the body.

📝 Answered - What role does cellular respiration play in the water cycle? A. It removes H₂O from the atmosphere during glycolysis. B. It removes H₂O from the atmosphere during acetyl CoA formation. C. It releases H₂O to the atmosphere during the citric acid cycle. D. It releases H₂O to the atmosphere during electron transport.

📝 Answered - Which of the following scenarios is not possible? Select one: A. A plant cell in a hypertonic solution bursts. B. A plant cell in an isotonic solution becomes flaccid. C. An animal cell in a hypertonic solution shrivels. D. An animal cell in a hypotonic solution bursts.

📝 Answered - Lipid is commonly found under the epidermis. Its function is to: Select one: A. act as cushioning B. serve as a primary energy source C. connect muscle to bone D. connect one bone to another