Which type of plant hormone causes chloroplasts to mature?
a. cytokinins
b. salicylic acid
c. abscisic acid
d. ethylene
e. gibberellins
A
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The recombinant virus assay (RVA) uses which type of amplification methodology?
a. Transcription-mediated amplification (TMA) b. Nucleic acid sequence-based amplification (NASBA) c. Strand displacement amplification (SDA) d. Reverse transcription polymerase chain reaction (RT-PCR)
Which of the following statements is FALSE?
a. Ecologists use models to represent relationships between biogeochemical cycles and most ecosystems. b. The physical environment has virtually no reservoir for most elements. c. Inputs from the physical environment and recycling made possible by decomposers and detritivores maintain the nutrient reserves in an ecosystem. d. In most major ecosystems, the amount of nutrients that is cycled within the ecosystem is greater than the amount entering or leaving the ecosystem in a given year. e. Once elements are in the biological compartments of the biogeochemical cycles, they are unlikely to leave until the organism dies.
Once formed, B cells mature in the ___________________. Fill in the blank(s) with the appropriate word(s)
The ureters connect the:a
bladder to the body exterior. b. kidney to the bladder. c. bladder to the urethra. d. kidney to the body exterior.