As you stroll through a moist forest, you are most likely to see a _____
A) zygote of a green alga
B) gametophyte of a moss
C) sporophyte of a liverwort
D) gametophyte of a fern
Answer: B
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According to the animation, which of the following makes mRNA from the information stored in a DNA template?
a. DNA polymerase b. tRNA c. Ribosomes d. RNA polymerase
The difference between the terms pathogenicity and virulence is that
A. pathogens cause disease and their virulence describes the degree of pathogenicity. B. virulent organisms cause disease and their pathogenicity describes the degree of disease manifestations. C. virulent organisms cause disease, pathogens do not. D. pathogenic organisms cause disease, virulent organisms do not.
The most abundant gas in the atmosphere is oxygen
____________________ Indicate whether the statement is true or false.
The importance of phage-mediated lateral gene transfer by virioplankton was illustrated by the fact that cyanophages thought to infect Synechococcus and Prochlorococcus carry the structural gene for ________.
A. a photosynthetic reaction center protein B. phycocyanin production C. nitrogenase D. All of the choices are correct.