Which by-product of alcohol fermentation causes bread dough to rise and creates bubbles in champagne?
A) NAD+
B) NADH
C) Ethanol
D) Carbon dioxide
E) Oxygen
D
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The latent phase in the viral growth curve and the lag phase of the bacterial growth curve are equivalent and represent the time it takes for the virus or bacterium to adapt to the culture conditions and begin growing
Indicate whether the statement is true or false.
Mendel's pea plants made good experimental subjects because they ____
a. exhibit continuous variation b. exhibit a variety of inheritance patterns c. exhibit discontinuous variation and complete dominance d. are sterile e. have many complex traits that are easy to research
Describe a somewhat extraordinary finding related to the Tetrahymena telomerase enzyme
What will be an ideal response?
Which of Darwin's postulates about evolution by natural selection is most directly related to heritable variation?
A. Individuals that survive are not a random sample of the population. B. The individual organisms that make up a population vary in the traits they possess. C. An individual's phenotype can change in response to a challenge from the environment. D. In each generation, many more offspring are produced than can possibly survive.