Outline the assumptions made in establishing the Hardy-Weinberg law
What will be an ideal response?
• The population is very large.
• No genotype is better than any other; that is, all genotypes have equal ability to survive and reproduce.
• Mating in the population is random.
• Other factors that change allele frequency, such as mutation and migration, are absent or are rare events and can be ignored.
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Which statement best describes passive transport?
A. A substance goes from an area of high concentration to an area of low concentration, and this requires energy. B. A substance goes from an area of high concentration to an area of low concentration, and this releases energy. C. A substance goes from an area of low concentration to an area of high concentration, and this requires energy. D. A substance goes from an area of low concentration to an area of high concentration, and this releases energy.
Explain why prokaryotes tend to survive and adapt more rapidly to extreme and dynamic environmental conditions than eukaryotes
What will be an ideal response?
Polymerases also have nuclease activities. Which of the following is not a use for the nuclease activities of DNA polymerase I?
A. proofreading during synthesis B. trimming single-stranded ends C. removal of RNA primers D. degradation of viral DNAs E. removal of DNA lesions during repair
A female that has ovarian failure and does not undergo puberty may have
A) Klinefelter syndrome. B) Down syndrome. C) cri du chat syndrome. D) Turner syndrome. E) poly-X female state.