Escherichia coli grows in the large intestine and is instrumental in making ____
a. vitamin B12
b. bile
c. vitamin K
d. lipase
e. vitamin C
ANSWER: a
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Phenotypic similarity that evolved independently in different lineages is called ____
a. cladogenesis b. anagenesis c. embryogenesis d. homology e. homoplasy
The evolution of many species from a single common ancestor is called
a. adaptive radiation b. punctuated equilibrium c. genetic drift d. disruptive selection e. microevolution
Microarrays are created by robotically placing DNA on to a microscope slide and probing with
A. RNA from the tissue of interest. B. SNPs from the tissue of interest. C. another DNA from the tissue of interest. D. STSs from the tissue of interest. E. clone-by-clone sequencing.
The most abundant protein found in the extracellular matrix of animal cells is _____.
-collagen -pectin -cellulose -hemoglobin