Which cells make up the ground tissue that provides rigid support via the thick, typically lignified, cell walls that remain after the cells die?
a. vessel members cells
b. sclerenchyma cells
c. tracheids cells
d. collenchyma cells
Answer: b. sclerenchyma cells
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Answer the following statement true (T) or false (F)
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A. metabolism B. phosphorylation C. redox reactions D. catabolism E. cellular respiration
Structure across a dividing plant cell that signals the location of new plasma membranes and cell walls.
What will be an ideal response?
Some mammals have been shown to be particularly attracted to mating partners that carry a different complement of immune system alleles than themselves. Which hy-pothesis does this observation support best?
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