Humans can be divided into mirror images only one way (separating the left side of the body from the right). This is an example of ______.
a) radical symmetry
b) asymmetry
c) bilateral symmetry
Ans: c) bilateral symmetry
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Which of the following is NOT true of human
chromosomes? a. The haploid number is 23. b. The diploid number is 46. c. There are 23 pairs of chromosomes. d. Human gametes end up with two of each type of 23 chromosomes. e. Human gametes end up with one of each type of 23 chromosomes.
Identify two adaptations in different living organisms and use natural selection to explain how each
may have logically evolved. What will be an ideal response?
Which of the following is NOT a structure of prokaryotic cells?
a. Flagellum b. Chromosome c. Ribosome d. Capsule e. Chloroplast
Why is it important to select a test compound that does not contain protein?
A) Protein in the test compound may cause back mutations B) Protein in the test compound may inhibit the growth of Salmonella typhimurium C) Protein in the test compound may provide the Salmonella typhimurium TA 1538 with the histidine it needs to grow on His- plates