The tendency of an atom to pull electrons toward itself is referred to as its ________________
Fill in the blank(s) with the appropriate word(s).
electronegativity
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Most golden algae are
a. unicellular and autotrophic. b. unicellular and heterotrophic. c. colonial and autotrophic. d. colonial and heterotrophic. e. multicellular and heterotrophic.
Suppose that mitosis were used to produce the gametes. What unique problems would be encountered? Make a prediction about the future of humans as a species
What will be an ideal response?
Energy gathering or concentrating mechanisms that allow light to be collected more efficiently during photosynthesis are called
A. mitochondria. B. photosystems. C. light-independent reactions. D. ribulose.
The LD50 of Vibrio cholerae is 108 cells through the oral route. If the bacterial cells are ingested with bicarbonate, the LD50 drops to 104. Which of these explanations is the most likely?
A) Sodium bicarbonate decreases the virulence of Vibrio cholerae. B) Stomach acid decreases the virulence of Vibrio cholerae. C) Vibrio cholerae makes toxin only in the presence of stomach acid. D) Stomach acid increases the virulence of Vibrio cholerae. E) Sodium bicarbonate inactivates Vibrio cholerae.