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MDCAT
Biology
2017

Biology · Transport

Work through this past-paper style MCQ, then read the full explanation. Practice more biology questions on mMCQ with adaptive practice and topic analytics.

Question

Following the diagram below, identify the portion that is labelled as heavy chain:

MDCAT Biology question — Transport
Options
  • A

    1

  • B

    2

  • C

    4

  • D

    5

Explanation

An antibody consists of two heavy chains and two light chains, and two disulfide bridges are present between the two heavy chains and two between the constant region of light chains.

1 represents the variable region on the antibody, not the heavy chain.

2 represents the constant region on the antibody, not the heavy chain.

An antibody consists of two heavy chains and two light chains, and two disulfide bridges are present between the two heavy chains and two between the constant region of light chains.

An antibody consists of two heavy chains and two light chains, and two disulfide bridges are present between the two heavy chains and two between the constant region of light chains.

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Tagged under Biology · Transport · 2017