Which parts of the atoms interact in a chemical reaction?
A) protons
B) neutrons
C) ions
D) electrons
E) isotopes
D
Bloom's Taxonomy: Comprehension
Section: Chemical Bonds
Learning Outcome: 2.5
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Which statement is not true about conifers?
(a) Conifers are gymnosperms. (b) All conifers belong to the genus Pinus. (c) All conifers have naked seeds. (d) Conifers are heterosporous.
Predict which of the following scenarios would be most likely to result in an action potential
A. dendrites: high-frequency IPSP; cell body: low-frequency EPSP B. dendrites: low-frequency EPSP; cell body: high-frequency IPSP C. dendrites: low-frequency IPSP; cell body: high-frequency EPSP D. dendrites: high-frequency EPSP; cell body: high-frequency IPSP
Na+ ion concentrations are higher outside the cell than inside the cell. What type of transport system is required to move Na+ ions in and out of the cell?
A. Na+ moves into the cell by facilitated diffusion and out of the cell by active transport B. Na+ moves in and out of the cell by passive diffusion C. Na+ moves in and out of the cell by active transport D. Na+ moves into the cell by active transport and out of the cell by facilitated diffusion E. Na+ moves into the cell by facilitated diffusion and can not move out of the cell
Which of the following levels of ecological interaction are arranged from most inclusive to least inclusive?
a. community, biosphere, ecosystem, population b. ecosystem, community, biosphere, population c. population, community, ecosystem, biosphere d. ecosystem, biosphere, community, population e. biosphere, ecosystem, community, population