Manatees and dugongs belong to the order:
a. Pinnipedia.
b. Cetacea.
c. Carnivora.
d. Sirenia.
e. Fissipedia
D
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What term describes the unwinding and changes in the shape of a protein?
a. Denature b. Metabolism c. Condensation d. Hydrolysis e. Breakdown
When comparing the ethical perspectives of John Muir, Gifford Pinchot, and Aldo Leopold, which one is least representative of the ecocentric perspective?
A. John Muir B. Gifford Pinchot C. Aldo Leopold
Bacteriocins and defensins are types of which of the following?
A) leukotrienes B) cytokines C) inflammation-eliciting mediators D) antimicrobial peptides
The lateral movement of transmembrane proteins can be restricted by several different mechanisms. Which mechanism best describes the process by which a budding yeast cell designates the site of new bud formation during cell division?
(a) proteins are tethered to the cell cortex (b) proteins are tethered to the extracellular matrix (c) proteins are tethered to the proteins on the surface of another cell (d) protein movement is limited by the presence of a diffusion barrier