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Pavel [41]
2 years ago
13

Breathing is required for cellular respiration

Biology
1 answer:
solmaris [256]2 years ago
8 0
Is there anything you need help with for this problem? I need to clarify first before answering your question.
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MHC class II will interact with a TCR and
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CD4 on the surface of helper T-cells.

Explanation:

MHC class II ( major histocompatibility complex) molecules are processed from the exogenous source. The presentation of  antigen on cells are important for the adaptive immune response.

MHC class II interact with CD 4 present on the surface of T helper cells. This interaction is important for the generation of an immune response. Helper T cells can release cytokines and can perform phagocytosis.

Thus, the correct answer is option (C).

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Why is it that although single myosin molecules have a polarity, the myosin in thick filaments is
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