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(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?

(03.07 MC) In humans, the allele for brown eyes is dominant to the allele for blue eyes. If a man with blue eyes (bb) and a woman with brown eyes (BB) who is homozygous for eye color have children, what is the probability of having a child with blue eyes?

(01.01 LC)What is the purpose of scientific argumentation?

(01.01 LC)A farmer is trying to determine why some weeds sprayed with weed killer do not die. To begin a scientific investigation of this issue, what would be the first step for the farmer?

(01.01 MC)A magazine advertises a protein shake that claims it can help you gain muscle. The fine print at the bottom of the screen says “results are not typical.” Why is this claim considered pseudoscience?

(01.02 MC)Which of the following can you correctly infer from the graph about how the pH affects the enzyme’s role in the target chemical reaction?

(02.02 LC)The compound light microscope is most useful for viewing

(03.07 MC)A Y-linked disease is a sex-linked disorder found on the Y chromosomes. Who can be afflicted with a Y-linked disease?

(03.06 MC)Duchene muscular dystrophy, or DMD, is a recessive, x-linked disease. What would you expect to see in the offspring of a woman who has DMD and a man who does not have the disease?

(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?