How can an allele that confers no selective advantage spread through a population?
What will be an ideal response?
If two alleles are situated close together on a chromosome, and one is strongly selected for, the other
will be spread with it, even if it confers no advantage. This spread of alleles adjacent to selected alleles
is called a selective sweep.
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The process by which haploid cells are produced from diploid cells is called
A. sexual reproduction. B. mitosis. C. fertilization. D. meiosis. E. reduction.
Which of the following is true about antibiotics?
a. In some cases, antibiotics are able to kill pathogenic microbes without harming human cells. b. Although some antibiotic resistance has been reported, it is not considered a real problem in medicine today. c. Antibiotics are effective against viruses. d. Antibiotics are unaffected by enzymes.
Bands of connective tissue that help muscles attach to bones are termed ________
A) ligaments B) fibrocartilage C) cartilage D) tendons
Answer the following questions true (T) or false (F)
1. Both men and women make testosterone. 2. Wax is a lipid. 3. Lipids with carbon-carbon double bonds tend to be more solid at room temperature.