Runners are modified stems that resemble roots and are also known as ____
a. stolons
b. rhizomes
c. bulbs
d. corms
e. Tubers
ANSWER: a
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Gram-positive cocci in clusters were reported on preliminary direct Gram staining from a sputum specimen. The patient was treated with antibiotics. Following 48 hours of treatment, a secondary specimen was reported as gram-positive rods. The discrepancy in this result is:
a. the patient likely obtained a secondary infection following treatment of the first pathogen. b. the antibiotics are effective and the gram-positive cocci are distorted due to inhibition of growth by the antibiotic. c. the first preliminary Gram stain was erro-neous, and should have been reported as normal microbiota. d. there is no discrepancy.
The type of plant hormone primarily responsible for inhibiting growth of lateral meristems on shoots and restricting
the formation of branches is/are ____.
a. abscisic acid b. cytokinins c. auxins d. salicylic acid e. gibberellins
What do transcription factors do?
a. speed up transcription b. slow the rate of gene expression c. stop gene expression completely d. increase the amount of proteins produced e. transcription factors do more than one of these
Cerebrospinal fluid functions to _____ the brain
cushion nourish support all of the above