Abscission can affect
a. leaves.
b. fruits.
c. flowers.
d. all of these.
e. none of these
D
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Which of the following statements does NOT correctly describe differences between larval and adult tunicates?
A. Larval tunicates have a conspicuous notochord that is lost by the time they become adults. B. Larval tunicates have a hollow dorsal nerve cord that is reduced to only a ganglion in the adult. C. The tail of the larval tunicate is lost by the time it transforms into an adult. D. The pharynx of the larval tunicate becomes more prominent in the adult. E. The larval tunicate lacks an incurrent and excurrent siphon but the adult has both structures.
Primary growth at the apical meristems can produce cells that differentiate into each of these cell types, except which?
A. epidermis B. cork cambium C. leaves D. ground tissue E. procambium
The chromosomal designation for a human female is
What will be an ideal response?
Please match the type of T cells with the statements that most accurately describe them to test your understanding of the relationships between the types of T cells and their receptors.
CD8 A) All T cells B) Helper T cells C) Cytotoxic T cells