A mature sieve tube differs from a vessel in |
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a) |
Lacking a functional nucleus |
b) |
Absence of lignified walls |
c) |
Being nearly dead |
d) |
Lacking cytoplasm |
A mature sieve tube differs from a vessel in |
|||
a) |
Lacking a functional nucleus |
b) |
Absence of lignified walls |
c) |
Being nearly dead |
d) |
Lacking cytoplasm |
(b) A mature sieve tube lacks lignified walls. |