(03.03 MC)If a tRNA molecule has an anticodon which reads GCU, what was the codon of the mRNA molecule?

(03.05 MC)Which of the following best describes what happens to a cell’s genetic material during the process of meiosis II?

(02.01 MC)During winter’s freezing temperatures, some plants can remove water from their cells to reduce the amount of water that will freeze inside them. Why would plants need to do this?

(03.05 MC)In an ecosystem, a wide range of organisms coexist. In a pond ecosystem, one can find amoebae, bacteria, green algae, and fish. Which of the following is the best conclusion one can make regarding the genetic diversity of these organisms?

(02.06 LC)Which of the following identifies the purpose of anaerobic fermentation within the body?

(03.04 MC)Tobacco products have been identified as mutagens. However, some tobacco users develop cancer and some do not. The reason for this apparent inconsistency is

(01.03 MC)Which of the following best describes how the first organic molecules on the early Earth may have been formed?

(03.07 MC)A genetic disorder is an illness that is caused by which of the following?

(01.02 MC)Sucrose and lactose are two carbohydrates that have the same molecular formula (C12H22O11). Which of the following describes why sucrose and lactose have different properties?

(01.01 MC)During a science fair, a group of students came up with the following question: “Is color an inherent property in objects or is it a product of the mind?” Why would this question be extremely difficult to scientifically answer?