In Arabidopsis, the monopteros gene regulates:a
positional effects in leaves.
b. the activity of the vascular cambium.
c. the differentiation of wounded parenchyma cells into tracheids.
d. apical-basal pattern formation.
e. the location of the preprophase band.
d
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The microbiologist identified an organism that produces large c-hemolytic colonies on blood agar and appears as a gram-variable rod on Gram staining. In order to further identify the organ-ism, the microbiologist should:
a. no further identification is necessary. b. complete a biochemical panel and antibi-otic sensitivity. c. complete a biochemical panel, no antibi-otic sensitivity is warranted. d. report the organism as Bacillus spp.
Urine passes out of a kidney and through a _____ on it's way to the urinary bladder
Fill in the blank(s) with correct word
Most important vertebrate features like the brain and sense organs are derived from the
A) cerebral cortex B) vertebrate discs C) meninges D) neural crest
Cytotoxic T cells will bind with their TCR to which of the following?
A) antigens presented with MHC I molecules B) antigens presented with MHC II molecules C) free antigen in a soluble form D) haptens only