What cannot be determined from examining age pyramids of human populations?
A) the future population size
B) the age structure of the population
C) the success of future generations
D) the fecundity of a future population
Answer: C
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Common alleles of genes other than BRCA1 ____
a. dictate the types of mutations that occur in BRCA2 b. cause uncontrolled division of the BRCA2 gene c. cause the interruption of the cell cycle in any cell containing a BRCA2 mutation d. have a strong influence on whether a carrier will develop breast cancer e. have very little influence on whether a carrier will develop breast cancer
During which phase of the eukaryotic cell cycle do growth and nutrient acquisition occur?
A) The S phase of interphase B) The mitotic phase C) The G1 phase of interphase D) Cytokinesis
All of the microtubules are the same length, and homologous chromosomes are aligned midway between the spindle poles at ____.
A. telophase I B. metaphase I C. anaphase I D. metaphase II E. anaphase II
The lacteal, a lymphatic vessel in the center of each intestinal villus, functions in digestion by absorbing
A. nucleic acids. B. carbohydrates. C. vitamin C. D. proteins. E. lipids.