The PCR technique requires a DNA polymerase from an organism that can endure high heat, such as Thermus aquaticus. What step of the protocol makes the heat-stability most necessary?
A. Synthesis
B. Denaturation
C. Primer annealing
D. Antibody binding
Answer: B
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While having dinner with a colleague at your favorite seafood restaurant, you are delighted to find that they have added an all-you-can-eat Mollusk Platter, which you immediately order. When it arrives, however, you are disappointed that one of the included items is not a mollusk. Which of these do you send back to the kitchen?
a. escargot b. calamari c. prawns d. fried scallops
What has been the general trend of the world's catch usage? a. Increased fishmeal production
b. Decreased fishmeal production. c. Increased human consumption. d. None of these choices.
Birds are thought to have evolved from dinosaurs. In considering birds and comparing them to dinosaurs, which trait
would be derived? a. brain b. legs c. eyes d. lack of teeth e. bones
In a certain breed of chicken, two genes control
color. A dominant allele (I) inhibits the expression of any color gene (C). A second recessive gene (c) results in albinism when homozygous (cc). Give the F2 phenotypic ratio of a colored chicken ii CC with a white II cc. What will be an ideal response?