Positive selection tests to see if the TCR of a T-lymphocyte can recognize and bind to an MHC molecule.
<h3>What is a T-lymphocyte?</h3>
A T-lymphocyte is a special type of immune cell that is generated inside the bone marrow.
The T-cell receptor (abbreviated as TCR) is a protein located on these immune T lymphocytes.
In conclusion, Positive selection identifies if the TCR of a T-lymphocyte can recognize and bind to an MHC molecule.
Learn more about T-lymphocytes here:
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Answer:
Plant cells need both chloroplasts and mitochondria because they perform both photosynthesis and cell respiration.
Explanation:
Chloroplast converts solar energy into chemical energy during photosynthesis, while mitochondria, the powerhouse of the cell, produces ATP- the energy currency of the cell during respiration.
Answer:
The nucleus tells other parts of the cell what to do
Explanation: