After a protein coding gene is identified, its function can be studied by using RNA interference to
activate the gene.
F, inactivate
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Select the correct sequence of animal developmental events
a. fertilization ? cleavage ? gastrula ? blastula b. fertilization ? cleavage ? blastula ? gastrula c. fertilization ? blastula ? cleavage ? gastrula d. fertilization ? gastrula ? blastula ? cleavage e. fertilization ? blastula ? gastrula ? cleavage
Birds store food in a modified portion of the lower esophagus called the
A. pharynx. B. gizzard. C. alimentary canal. D. crop. E. epiglottis.
An organism that is eukaryotic is by definition:a
is a protist b. is unicellular c. possesses a nucleus d. possesses organ systems e. belongs to domain Bacteria
Roots that arise from branches or vertical stems, and that are used to support a plant in an upright position, are referred
to as: a. prop roots. b. contractile roots. c. pneumatophores. d. lateral roots. e. tap roots.