You find a notebook that has lots of equations, tables, and graphs in it. The tables have columns for the number of female offspring born over a year, the number of deaths over a year, and the number of individuals in various age classes. What subject do you think the owner of the notebook is studying? What type of tables are they most likely using?
A. iteroparity; life tables
B. growth ecology; transition tables
C. demography; life tables
D. demography; survivorship tables
E. iteroparity; survivorship tables
C. demography; life tables
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Which of the following exist as RNA surrounded by a protein coat?
A. Retrovirus B. prion C. Prokaryote D. Spirochete E. streptococcus
A scientist isolates a mutant of a gated ion channel that transports ions into the cell in the presence of a particular chemical signal. She determines that the mutation causes the channel to remain open even in the absence of any chemical signal. She measures concentrations of the ion on either side of the membrane and finds that the concentration is higher inside the cell than outside at the beginning of the experiment. After an hour, she measures the concentrations again. What do you expect she will find?
A) The concentration of the ion has increased inside the cell after an hour. B) The concentration of ion inside the cell is equal to the concentration outside the cell. C) The concentration of the ion has become higher outside the cell than inside the cell after an hour. D) The concentrations of the ion inside and outside of the cell have remained constant. E) The ions have all diffused into the membrane.
Which of the following terms is associated with the release of nonenveloped or complex viruses from the host cell?
A) Budding B) Exocytosis C) Lysis D) Phagocytosis E) Endocytosis
Which of the following factors would result in the allele frequency of a population not adding up to 1.0, as is the case in the Hardy-Weinberg rule?
A. Genetic drift B. Inbreeding C. A population changing due to selection D. None of the answers, the allele frequencies must always equal 1.0