The nucleus contains
What will be an ideal response?
DNA, the source of genetic information in cells.
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Which of the following best describes the logic of scientific inquiry?
A) If I generate a testable hypothesis, tests and observations will support it. B) If my prediction is correct, it will lead to a testable hypothesis. C) If my observations are accurate, they will support my hypothesis. D) If my hypothesis is correct, I can expect certain test results. E) If my experiments are set up right, they will lead to a testable hypothesis.
How do cattle digest complex plant polysaccharides like cellulose?
A. They have specialized mammalian enzymes to degrade the bonds of cellulose. B. Bacterial populations in one of the four compartments of their stomachs are able to break the bonds between adjacent glucose units of cellulose. C. Mechanical forces of cud-chewing break the cell walls of plant fibers, enabling the cattle to extract the digestible contents of the cells. D. Acids produced in the stomach degrade cellulose.
If a new allele appears in a population, the Hardy–Weinberg formula
a. cannot be used because no equilibrium exists. b. can be used but only for two alleles at a time. c. can be used by lumping all but two phenotypes in one class. d. can be expanded by adding more terms.
A person with type B blood could safely receive a transfusion of blood from someone with blood type
A) B. B) AB. C) O. D) Both A and C E) Any of these