Which prokaryotic nutritional group use organic substances for carbon and photons for energy?
A. Photoautotrophs
B. Chemoautotrophs
C. Photoheterotrophs
D. Chemoheterotrophs
E. Methanoheterotrophs
Answer: C
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Which disorder can sometimes be managed with diet and exercise?
A) type 1 diabetes B) type 2 diabetes C) type 3 diabetes D) hypoglycemia
If the volume of a cell increases, its surface area will
a. decrease. b. remain the same. c. increase proportionately. d. increase to a greater degree. e. increase to a lesser degree.
Interstitial fluid is _____
A) the internal environment inside animal cells B) identical to the composition of blood C) a common site of exchange between blood and body cells D) found only in the lumen of the small intestine
Which of these can be concluded from the figure below?
A) In some years of the study the mean poison ivy biomass decreased to the level it was at the beginning of the study.
B) There were more elevated CO2 plots than control plots.
C) Not all of the increase in mean poison ivy biomass can be attributed to the CO2 that the researcher added.
D) Poison ivy in the experimental plots was more toxic than that in the control plots.