the open area or central space in the GI tract is called
What will be an ideal response?
lumen
Biology & Microbiology
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Sunlight resets biological clocks in plants by activating and inactivating _____
a. phototropins c. photoperiodisms b. phytochromes d. far-red light
Biology & Microbiology
Cancer cells
a. have an abnormal chromosome number. b. are unable to attach to other cells. c. divide to produce high densities of cells. d. have malformed cytoskeletons. e. fit all of these descriptions
Biology & Microbiology
Sketch the main elements of an inducible operon, such as the lactose operon, and explain the functions
of the operator and promoter regions. What will be an ideal response?
Biology & Microbiology
In ascomycetes, the ascus functions in
A) asexual reproduction. B) vegetative growth. C) sexual reproduction. D) photosynthesis. E) digestion.
Biology & Microbiology