Superantigens produced by Staphylococcus aureus are a class of antigens that cause non-specific activation of T cells resulting in their activation and massive cytokine release which may harm the host

a. true
b. false


Answer: a. true

Biology & Microbiology

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DNA fingerprinting can be used to convict criminals, but has had little application in exonerating individuals already convicted

Indicate whether the statement is true or false

Biology & Microbiology

The mordant is applied after the primary dye in the Gram stain

a. true b. false

Biology & Microbiology

Water inside xylem is pulled upward by:

a. turgor pressure b. tension c. osmotic gradients d. pressure flow forces e. translocation

Biology & Microbiology

If a normal cell contains 36 chromosomes, how many chromatids are present during alignment? How many strands of DNA? How many genetically unique strands of DNA?

What will be an ideal response?

Biology & Microbiology