Living organisms are members of all of the
levels listed below; however, rocks are
components of
a. the community.
b. the population.
c. the ecosystem.
d. the biosphere.
e. both the ecosystem and the biosphere
E
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The lipid group that serves as energy storage molecules is the ________.
A. waxes B. prostaglandins C. phospholipids D. triglycerides E. steroids
Answer the following questions true (T) or false (F)
1. The West Nile virus damages neurons by lysing them as they exit after replication or by triggering apoptosis. 2. The tetanospasmin toxin blocks normal inhibition while botulinum toxin blocks normal stimulation. 3. C. gattii is usually contracted from urban environments, C. neoformans is associated with natural settings.
The lipopolysaccharide (LPS) that is found in the outer membrane of Gram-negative bacteria is also known as ________.
A. endotoxin B. exotoxin C. teichoic acid D. murein
An organism with a temperature growth range of 45 degrees Celsius to 60 degrees Celsius would be called a/an:
A) thermoduric B) psychrophile C) facultative psychrophile D) thermophile E) extremophile