Which of the following cells is living but their nuclei are lost during maturation?

A. guard cells
B. companion cells
C. meristem cells
D. collenchyma
E. sieve cells


Answer: E

Biology & Microbiology

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The common mud turtle experiences relatively uniform mortality rates throughout its life. It exhibits type ____ survivorship

Fill in the blank with the appropriate word.

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Which of the following is a cellular characteristic of ALL eukaryotes?

a) a nuclear membrane b) a cell wall c) a nucleoid d) few to no organelles in the cytoplasm e) few to no proteins associated with the DNA

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Transport vesicles carrying acid hydrolases fuse with

a. lysosomes. b. endocytic vesicles. c. early endosomes. d. late endosomes.

Biology & Microbiology

When diarrhea contains more water than it does fecal material:

A) the body loses an equal amount of electrolytes and water. B) the concentration of electrolytes that are lost increases significantly. C) the body's key electrolytes are spared and are not passed in the diarrhea. D) smaller amounts of electrolytes are lost compared to the amount of lost water.

Biology & Microbiology