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