What are some reasons that cells need to communicate?
What will be an ideal response?
Answer: Coordinate activities in multicellular organisms; hormone actions; cell recognition; to find mates (yeast cells); turn pathways on and off; apoptosis (programmed cell death)
Biology & Microbiology
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The region where filtration occurs is indicated
by a. A. b. B. c. C. d. D. e. none of these
Biology & Microbiology
The seeds of fleshy fruits are most likely to be spread by:
a. animals b. water c. wind d. explosion e. insects
Biology & Microbiology
Which of the following is (are) essential for
cleavage during cell division in animal cells?
a. a contractile ring b. Golgi body vesicles c. ATP molecules d. a contractile ring and Golgi body vesicles e. a contractile ring and ATP molecules
Biology & Microbiology
Red blood cells are
a. erythrocytes. b. leukocytes. c. platelets. d. all of the above.
Biology & Microbiology