Energy released by the electron transport chain is used to pump H+ into which location in eukaryotic cells?
A) mitochondrial outer membrane
B) mitochondrial inner membrane
C) mitochondrial intermembrane space
D) mitochondrial matrix
C
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The central nervous system of a mammal includes the
a. brain. b. spinal cord. c. brain and spinal cord. d. brain, spinal cord, and every major nerve in the body.
Tube connecting the throat to the stomach____________________
Fill in the blank(s) with the appropriate word(s).
1.0ml of sample added to 99.0ml of diluent is a 10^-2 dilution. What would the final dilution be if you added 0.1ml instead of 1.0ml?
What will be an ideal response?
Which of the following statements is FALSE?
a. Ecologist use models to represent relationships between biogeochemical cycles and most ecosystems. b. The physical environment has virtually no reservoir for most elements. c. Inputs from the physical environment and recycling made possible by decomposers and detritivores maintain the nutrient reserves in an ecosystem. d. In most major ecosystems, the amount of nutrients that is cycled within the ecosystem is greater than the amount entering or leaving the ecosystem in a given year. e. Once elements are in the biological part of the biochemical cycles, they are unlikely to leave until the organism dies.