Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
A, Resting potentials (±sd) of SE/CCs and adjoining PPCs in excised tissue slices of different species (right). The number of replicates is presented in the bars. Left, Membrane potential ratios defined as ΔΨm SE/CC/ΔΨm PPC (striped bars). B, Resting potentials of SE/CCs and adjoining PPCs in transport phloem in main veins of intact plants (right). The number of replicates is presented in the bars. Left, Membrane potential ratios defined as ΔΨm SE/CC/ΔΨm PPC (striped bars).
