객관식
Which of the following cells are dead at functional maturity?
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33. Plant Anatomy
Tissues
객관식
Which of the following is closest to the center of a woody stem?
A
Vascular cambium
B
Secondary phloem
C
Primary phloem
D
Secondary xylem
E
Primary xylem
검증된 단계별 안내1
Understand the structure of a woody stem, which consists of several layers including the bark, phloem, cambium, and xylem.
Identify the primary xylem, which is the first layer of xylem tissue formed during the initial growth of the plant.
Recognize that the primary xylem is located at the center of the stem, as it is the first vascular tissue formed during the development of the plant.
Note that the secondary xylem, also known as wood, forms outside the primary xylem as the plant grows.
Conclude that among the options given, the primary xylem is closest to the center of a woody stem.
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