How does the Winogradsky column differ from Koch's plate media?
a. Koch's media creates a gradient from oxygen-rich conditions at the surface to highly reduced conditions below
b. the bacteria that Winogradsky isolated can only grow in inorganic minerals
c. the Winogradsky column is used for growing extremophiles
d. the Winogradsky column uses the kinds of nutrients that feed humans
Ans: b. the bacteria that Winogradsky isolated can only grow in inorganic minerals
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Meiosis typically results in the production of
a. 2 diploid cells. b. 4 diploid cells. c. 4 haploid cells. d. 2 haploid cells. e. 1 triploid cell.
Genetic testing procedure that can occur as early as the eight week of pregnancy is ____
a. amniocentesis b. chorionic villus sample c. endoscopy d. preimplantation diagnosis e. sonography
Which of the following is a required input for glycolysis?
a. Glucose b. NAD c. Oxygen d. a and b are correct e. a, b, and c are correct
Figure on Page 150
In this depiction of transcription (accompanying figure), the ____ strand is ____ because it ____.
A. upper; RNA; contains guanine B. upper; RNA; contains uracil C. lower; RNA; contains thymine D. upper; RNA; has no uracil E. lower; DNA; contains adenine