Human Biology, 14 Edition

Published by McGraw-Hill Education
ISBN 10: 1-25924-574-8
ISBN 13: 978-1-25924-574-9

Chapter 2 - Section 2.6 - Proteins - Check Your Progress: 1

Answer

- Structural proteins support ligaments and make up hair and nails. - Enzymes are proteins that speed up chemical reactions in cells. - Carrier proteins allow substances to enter and exit cells. - Antibodies are proteins that combine with antigens to protect cells and maintain homeostasis within the body. - Hormones are proteins that act as messengers between cells and influence the metabolism of cells. - Proteins allow parts of cells to move, which allows muscles to contract and allows movement for the of limbs.

Work Step by Step

- Structural proteins support ligaments and make up hair and nails. - Enzymes are proteins that speed up chemical reactions in cells. - Carrier proteins allow substances to enter and exit cells. - Antibodies are proteins that combine with antigens to protect cells and maintain homeostasis within the body. - Hormones are proteins that act as messengers between cells and influence the metabolism of cells. - Proteins allow parts of cells to move, which allows muscles to contract and allows movement for the of limbs.
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