Geological processes in the nutrient cycle operate ____
a. quickly
b. slowly
c. on living material
d. only on organic matter
e. on solar energy
ANSWER: b
You might also like to view...
One way in which retroviruses differ from all other types of viruses is that retroviruses
A. possess an RNA genome. B. possess only single-stranded nucleic acids. C. can create a prophage. D. have single-strained RNA that serves as viral mRNA. E. have the enzyme reverse transcriptase.
Transcription factors control which of the following phases of pattern formation in the human embryo?
A. formation of body axes and segmentation B. segmentation and development of segment characteristics C. segmentation, development of segment characteristics, and cell differentiation D. formation of body axes, segmentation, development of segment characteristics, and cell differentiation E. cell differentiation
If an enzyme's optimal temperature is 37°C, then the enzyme ____
a. has a cofactor b. is likely to catalyze the reaction at the same rate at 30°C c. will probably be inactive at a pH below 4.5 d. will completely denature at 38°C e. activity will drop at temperatures above 37°C and likely be eliminated by 60°C
In many ecological communities, one common species can function as a foundation species, defining the nature of a
community by creating locally stable environmental conditions.
Indicate whether the statement is true or false.