Precursor CTLs Are Characterized by Each of the Following EXCEPT

question 31

Multiple Choice

Precursor CTLs are characterized by each of the following EXCEPT

• A)they do not divide.
• B)they do not express high affinity for CD25.
• C)they express CD4.
• D)they lack cytotoxic activity.
• E)they produce low amounts of IL-2.

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Definitions:

Yeast

A group of unicellular fungi that are important in the fermentation process and as model organisms in biological research.

Zygospores

Thick-walled resting spores formed by the fusion of cells from different mating types of certain fungi and algae, leading to genetic recombination and dormancy.

Dikaryotic Cell

A cell having two separate nuclei, each with one set of chromosomes, often found in the fungal life cycle during sexual reproduction.

Diploid Zygote

A fertilized egg cell that possesses two complete sets of chromosomes, one from each parent, resulting in a diploid organism.