A significant reduction in the amount of which gas would allow more ultraviolet radiation to reach Earth's surface?
a. oxygen
b. methane
c. ozone
d. cyanide
e. carbon dioxide
c
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The energy made available during cell respiration and fermentation is used to make ________, which is then available to provide energy for cellular work.
Fill in the blank(s) with the appropriate word(s).
In a mating between individuals with the genotypes IAIB × IOI, what percentage of the offspring are expected to have the O blood type?
What will be an ideal response?
Some regions of the plasma membrane, called lipid rafts, have a higher concentration of cholesterol molecules. At higher temperatures, these regions _____
A) are more fluid than the surrounding membrane B) are less fluid than the surrounding membrane C) detach from the plasma membrane and clog arteries D) have higher rates of lateral diffusion of lipids and proteins into and out of these regions
Which of the following does not affect the distribution of world biomes?
Select one: a. altitude b. latitude c. rainfall patterns d. distribution of animals e. sunlight