(02.02 MC)Why did Pasteur’s work lead to a change in modern cell theory?

(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?

(03.08 MC)Herceptin, a drug developed by the biotechnology industry, is used to treat breast cancer. It is taken only after a patient undergoes a matching diagnostic test. In this way, the drug is only given to those patients who have a certain protein. What is the main benefit of such a technology?

(03.05 MC)Some species of organisms can reproduce either asexually through mitosis or sexually, which requires meiosis. In which of the following situations would it be the most beneficial for a species to reproduce sexually rather than asexually?

(03.04 MC)In the case of cancer, uncontrolled cell division is a problem because it

(03.01 MC)During which stage of mitosis do the sister chromatids get pulled to opposite ends of the cell?

(02.02 MC)Which of the following best describes one way electron microscopes and light microscopes differ in structure?

(02.04 MC)If the metabolism of a cell suddenly slowed down so that there was less cellular energy available, which role of the cell membrane would you expect to be most affected?

(03.07 MC)In humans, the allele for a widow’s peak is dominant to the allele for a straight hairline. In a family with three children, two of the children have a straight hairline and one child has a widow’s peak. Which of the following is possible?

(03.05 MC)During meiosis, homologous sets of four chromatids are lined up along the cell’s equator, attached to spindle fibers. Which of the following processes will happen next?