The formation of sieve plates between phloem sieve-tube elements allows

A) mesophyll cells to connect with xylem cells.
B) adjacent cells to connect via membrane-lined pores.
C) each cell to function independently.
D) water to transpire from each surface.
E) the dead phloem cells to form an empty tube.


B

Biology & Microbiology

You might also like to view...

Food is usually contaminated by which of the following sources?

a. aerosols b. mechanical vector c. soil d. handler e. biological vector

Biology & Microbiology

Endocrine glands produce

a. enzymes. b. oils. c. waxes. d. hormones. e. milk.

Biology & Microbiology

The use of ASOs in the process of in vitro fertilization to determine the genetic risk factors present is called ________

A) RFLP analysis B) genome scanning C) preimplantation genetic diagnosis D) next-generation sequencing

Biology & Microbiology

Which of the following is not considered an accessory organ of the digestive system?

A. gallbladder B. small intestine C. pancreas D. salivary glands E. liver

Biology & Microbiology