How many stages are there in the life cycle of a typical tapeworm?
a) Two
b) Three
c) Four
d) Five
Ans: b) Three
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Amyloplasts are responsible for the colors of ripening fruits or autumn leaves
Indicate whether the statement is true or false.
This polysaccharide is a chain of glucose units that are modified by having nitrogen-containing groups
It is the main structural fiber in the external skeletons of arthropods and is also a structural material in the cell walls of fungi.
a. chitin b. amylopectin c. cellulose d. glycogen e. amylose
Cellular slime molds can be distinguished from plasmodial slime molds on the basis of ____
a. reproductive structures b. spore formation c. number of nuclei per cell d. slime trails e. food requirements
There is no easy way to test for pathogens such as
Select one: a. Listeria. b. Salmonella. c. E. coli O157:H7. d. Norovirus.