The tissue that is removed when a strip of bark is peeled off a tree branch. Introduction: The two mechanisms by which woody plants increase its size are primary growth and secondary growth. The type of growth takes place by the action of primary meristem that functions to increase the stem length is called primary growth.

Question

Which of the following is not a possible mechanism for autoimmunity? Select one: A. Abnormal expression of MHC II molecules in non-antigen-presenting cells B. Activation of polyclonal B cells C. Polymorphism of HLA alleles D. Molecular mimicry E. Release of sequestered antigens

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Chapter 35, Problem 13TYU

Summary Introduction

To determine: The tissue that is removed when a strip of bark is peeled off a tree branch.

Introduction: The two mechanisms by which woody plants increase its size are primary growth and secondary growth. The type of growth takes place by the action of primary meristem that functions to increase the stem length is called primary growth.

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Which of the following is not a possible mechanism for autoimmunity? Select one: A. Abnormal expression of MHC II molecules in non-antigen-presenting cells B. Activation of polyclonal B cells C. Polymorphism of HLA alleles D. Molecular mimicry E. Release of sequestered antigens

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