33. Plant Anatomy

Artichoke hearts are tender and have a strong taste. The leaves have a strong taste, too, but most of an artichoke leaf is fibrous and too difficult to chew. The leaves must contain lots of __________.

The plant tissue system most analogous to our circulatory system is the __________.

Ground tissue is composed of undifferentiated cells with thin walls that are usually involved with storage. The inner portion of the ground tissue of a nonwoody stem is called __________, and the outer portion is called __________.

Which of the following cells are dead at functional maturity?

What is a sieve-tube element?a. the sugar-conducting cell found in phloemb. the widened, perforation-containing, water-conducting cell found only in angiospermsc. the nutrient- and water-absorbing cell found in root hairsd. the nucleated and organelle-rich support cell found in phloem

The innermost layer of the root cortex is thea. core.b. pericycle.c. endodermis.d. pith.

Evaluate the following statements regarding tracheids and vessel elements. Select True or False for each statement.T/F Both tracheids and vessel elements are specialized for water conduction.T/F Both tracheids and vessel elements have pits.T/F Vessel elements have perforation plates but tracheids do not.T/F Tracheids and vessel elements have to be alive in order to transport water.

Splicing begins:a. as transcription occurs.b. after transcription is complete.c. as translation occurs.d. after translation is complete.