Environmentalism is ________
A) the study of ecosystems
B) a philosophical and social movement concerned with preserving the environment
C) a collection of citizens and scientists working together to support research and preserve biodiversity
D) the study of how energy flows through an ecosystem
B
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Small quantities of hormone can result in profound responses in target tissues. This type of response is referred to as
a. amplification b. a first messenger response c. a gene activation response d. a neural response e. a growth factor response
Which modifications of fatty acids will best keep triglycerides solid at warmer temperatures?
A) creating cis double bonds to the fatty acids B) adding hydrogens to the fatty acids C) creating trans double bonds to the fatty acids D) adding hydrogens and trans double bonds to the fatty acids E) adding cis double bonds and trans double bonds to the fatty acids
What event typically begins in anaphase and is completed soon after the end of telophase?
A) interphase B) packing of DNA into well-defined chromosomes C) cytokinesis D) alignment of chromosomes at the cell equator
Nanoarchaeum equitans:
a. Iron Mountain, CA b. obsidian pools in Yellowstone National Park c. sewage sludge and bovine rumens d. associates with Ignicoccus e. deep sea vents