The evolutionary ancestors of mitochondria are believed to have been ancient
a. Archaea.
b. cyanobacteria.
c. proteobacteria.
d. green bacteria.
e. Gram-positive bacteria.
C
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What technique can be used to determine DNA-protein interactions?
A. Western blotting B. PCR C. DNAse I foot printing D. restriction enzyme analysis
Vertebrate bone consists primarily of a crystalline mixture of
A. Ca2+, PO4-2. B. Ca2+, SO4-2. C. Ca2+, Cl2. D. Na+, Cl-. E. Adenosine, PO4-2.
An individual who avoids light is exhibiting
a. negative phototaxis. b. positive geotaxis. c. negative thigmotaxis. d. positive thigmotaxis.
Digested fats are packaged into ________, which are too big to enter blood capillaries and so have to diffuse into lacteals, where fats enter the lymph and are transported within the lymphatic system
A) micelles B) chyme C) chylomicrons D) bile salts E) lipases