In the leaky-barrel model, the weight of the barrel on the hose is analogous to the strength of the:

(a) settling point
(b) satiety signal
(c) need to defecate
(d) hunger signal


(b) satiety signal

Biology & Microbiology

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Refer to the paragraph on the Venter et al. paper and the table above. What practical applications for human society may arise first from this or similar metagenomic studies?

A) New genes with useful properties may be identified and ultimately put to use. B) New microbial species could be isolated from seawater. C) An increased knowledge of the diversity of marine ecosystems could lead to investigations of diversity in other ecosystems. D) Species discovered in the Sargasso Sea may also be found to inhabit less-remote waters.

Biology & Microbiology

Ecologists use compartment models to describe ____

a. grazer food webs b. detrital food webs c. nutrient cycling d. species richness e. inputs of solar energy

Biology & Microbiology

How does a cDNA library differ from a genomic library? How are cDNA libraries significant to the

production of eukaryotic gene products? What will be an ideal response?

Biology & Microbiology

Animal research has revealed a general reward system related to the release of the neurotransmitter

A) acetylcholine. B) GABA. C) dopamine. D) epinephrine.

Biology & Microbiology