Formed through these vertical connections between multiple sieve tube members , sieve tubes are directly responsible for the transport through the minimum resistance surrounding their walls .
Sieve tube members are arranged from end to end in a longitudinal manner in order to form sieve tubes .
Formed through these vertical connections between multiple sieve tube members , sieve tubes are directly responsible for the transport through the minimum resistance surrounding sieve tubes ' walls .
Sieve tube members are arranged from end to end in a longitudinal manner in order to form sieve tubes .