Cumulative Exam Questions and Answers All Correct

Cumulative Exam Questions and Answers All Correct Specific processes must take place within the cell for protein synthesis to occur. Which occurs during translation but not during transcription? A DNA template is used to create an mRNA strand. A tRNA template is used to create a DNA strand. A tRNA template is used to create an mRNA strand. An mRNA template is used to create an amino acid chain. - Answer-An mRNA template is used to create an amino acid chain. Stella wants to test the hypothesis "If carbon dioxide levels increase, the growth rate of sunflowers will increase." She places five young sunflower plants into similar containers and sets up pumps that release different amounts of carbon dioxide into each container. She plans to measure the daily height of the plants for two weeks and graph the data. Which additional considerations would produce the most reliable experimental results? She should also provide mist to each of the plants to keep the air moist and fertilize the plants. She should record her data in a bar graph for easy analysis. She should increase her sample size to 50 plants and place them all in the same area. The plants receiving less CO2 should be given a little more water. She should be sure to give all the flowers the same amount of water. She should make observations twice a day for four weeks for better results. She should place one flower in - Answer-She should place one flower in a similar container, but not pump carbon dioxide into it. She should also give each plant the same amount of water. The phosphorus cycle differs from the biogeochemical cycles in that it does not have an atmospheric reservoir. it does not have an oceanic reservoir. there is no assimilation of phosphorus. there is no decomposition of phosphorus. - Answer-it does not have an atmospheric reservoir. What role does cellular respiration play in the water cycle? It removes H2O from the atmosphere during glycolysis. It removes H2O from the atmosphere during acetyl CoA formation. It releases H2O to the atmosphere during the citric acid cycle. It releases H2O to the atmosphere during electron transport. - Answer-It releases H2O to the atmosphere during electron transport. Which microscope did Anton van Leeuwenhoek use to observe single-celled organisms? simple microscope compound light microscope electron microscope tunneling microscope - Answer-simple microscope Jada wants to eat a meal that will sustain her energy during a long run. Which of these food items is the best source of long-term energy? grape juice sugar cookie baked potato strawberries - Answer-baked potato Which of the following can combine in a cell to convert a lower-energy molecule into a higher-energy molecule? ADP + P + energy ATP + P + energy ADP + P ATP + P - Answer-ADP + P + energy How many amino acids cannot be made by the body, so they must be obtained in the diet? 2 5 10 20 - Answer-10