what does the T cytotoxic cell (CTL) do?
What will be an ideal response?
kills cells with foreign antigen on the surface with perforin.
kills abnormal cells that arise by mutations
Biology & Microbiology
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A mutation in the B genes of Arabidopsis would result in the incorrect formation of what structure?
A. Apical meristem B. Flowers C. Stems D. Roots
Biology & Microbiology
What are the specialized hyphae, possessed primarily by parasitic fungi, with which they can penetrate the host?
a. sporangium b. mycelium c. haustoria d. septa
Biology & Microbiology
Fossil fuels are the result of buried organisms where low oxygen levels existed
Indicate whether the statement is true or false.
Biology & Microbiology
Decomposers are commonly _____
a. fungi c. plants b. bacteria d. fungi and bacteria
Biology & Microbiology