Connective tissue is different from the other major tissue types in that ________
A) it is made up of cells
B) the cells are sparsely scattered through an extracellular matrix
C) it is not made up of cells
D) it is found only in humans
B
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What plant hormone has a central role in apical dominance?
a. auxin b. ethylene c. gibberellin d. phytoestrogens e. abscisic acid
The flow of energy is one way, but nutrients in ecosystems ________.
Fill in the blank(s) with the appropriate word(s).
Conjugation in most ciliates involves a series of steps that leads to increased genetic diversity. Which one of the following choices is not one of those steps?
A. Sexual reproduction B. Meiosis of a haploid nucleus C. Mitosis of a haploid nucleus D. Meiosis of a diploid nucleus E. Mitosis of a diploid nucleus
What is phagocytosis? What does it involve?
What will be an ideal response?