Most biologists now agree that the common ancestor of all animals was probably a eumetazoan

a. True
b. False


ANSWER: False

Biology & Microbiology

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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

Biology & Microbiology

Lipopolysaccharide is an important cell envelope component of ________.

A. gram-positive bacteria B. gram-negative bacteria C. mycoplasmas D. acid-fast bacteria E. protoplasts

Biology & Microbiology

A group consisting of a common ancestor and all of its descendants is a

A. order. B. phylum. C. species. D. clade. E. genus.

Biology & Microbiology

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

Biology & Microbiology