Under What Conditions Does a CD8⁺ T Cell Bind to an Antigen

question 97

Multiple Choice

Under what conditions does a CD8⁺ T cell bind to an antigen?

• A)only if this antigen is presented on the surface of a B cell
• B)only if this antigen is in a complex with a class II MHC protein
• C)only if this antigen is not in a complex with MHC proteins
• D)only if this antigen is in a complex with a class I MHC protein

Identify the components of an operating system and its significance in computer systems.

Distinguish between different algorithm representation techniques such as pseudocode and flowcharts.

Recognize the primary structures used in programming: sequence, selection, iteration, and invocation.

Understand the concept and application of iteration in programming.

---

Definitions:

Taq Polymerase

An enzyme derived from the bacterium Thermus aquaticus, used in PCR to amplify DNA sequences.

DNA Sequences

The order of nucleotides in a strand of DNA, which determines the genetic information carried by that DNA.

Gene Targeting

A genetic technique that uses homologous recombination to change an endogenous gene's sequence to study gene function or create specific animal models for human disease.

Knock-Out Gene

A gene that has been deliberately inactivated or deleted through genetic engineering to study its function by observing the resulting phenotype.