Most biologists now agree that the common ancestor of all animals was probably a eumetazoan
a. True
b. False
ANSWER: False
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Alzheimer disease has been shown to be related to ____
a. alcoholic fermentation in the brain b. lactate fermentation in the brain c. increased brain metabolism d. decreased brain metabolism e. increased mitochondrial enzyme activity
Lipopolysaccharide is an important cell envelope component of ________.
A. gram-positive bacteria B. gram-negative bacteria C. mycoplasmas D. acid-fast bacteria E. protoplasts
A group consisting of a common ancestor and all of its descendants is a
A. order. B. phylum. C. species. D. clade. E. genus.
In exocytosis
A) protein vesicles import large molecules into a cell. B) lipid vesicles move along the cytoskeleton and export large molecules out of a cell. C) protein vesicles move along the cytoskeleton and export large molecules out of a cell. D) lipid vesicles import large molecules into a cell