Which plant tissue is the least specialized and most common of all plant cell types?
A. parenchyma
B. meristems
C. sclerenchyma
D. periderm
E. collenchyma
Answer: A
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A. denitrification B. nitrogen fixation C. anammox reaction D. All of the choices are correct.
Molecular motor use ATP as the energy source to power the molecular motor.
a. true b. false
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A. A germinal mutation in one Rb allele B. A somatic mutation that turns on the Rb gene C. A germinal mutation in one Rb allele, then a somatic mutation in the other allele D. A germinal mutation in the dominant Rb allele E. Activation of the X-linked oncogene Rb
Some bacteria can use sulfur instead of oxygen as a final electron acceptor. What would they produce during anaerobic respiration?
A. H2O B. H2S C. O2 D. S2