Myoglobin is a protein found in the muscles of cetaceans that:
a. stores energy.
b. stores oxygen.
c. maintains buoyancy.
d. maintains heat.
e. stores ATP.
B
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Which of the following is NOT a hallmark of cancer?
A. Cell division in the absence of growth signals. B. Resistance to signals that slow cell division or promote death. C. Metastasis, which allows invasion of local tissues. D. Ability to stimulate growth of blood vessels to provide nutrients to the rapidly growing tumor. E. All of these choices are hallmarks of cancer.
A coliform bacterium that contaminates dairy products is _______.
A) Bartonella B) Serratia C) Enterobacter D) Proteus
Freezing food and then using a vacuum to draw off the ice crystals is called (dehydration/lyophilization/sublimation)
What will be an ideal response?
The mechanisms that reoviruses have evolved to evade the host immune system include ALL of the following EXCEPT
a. capping and methylation of virus mRNAs by viral enzymes. b. genome replication within the nucleocapsid. c. the use of host nucleotides for RNA synthesis. d. denaturing of proteolytic enzymes in host lysosomes.