What are proteins , give 3 examples of functions they perform

Proteins are large molecules composed of one or more chains of amino acids. They are very important to living organisms. They are also structural components for different parts of the body and systems.

Proteins are used to make enzymes, hormones and other chemicals and they build and repair tissue. Not only that but proteins can also help reduce wait and also reduce hunger.

Hope this helped
:D

It allows water to resist freezing and thawing cycle.

The open ocean begins at the low-tide mark and extends to the end of the continental shelf

above statement is not a true statement about the open ocean because the open ocean has low levels of nutrients. most of the photosynthetic activity on earth occurs in the open ocean within the photic zone. organisms in the deep ocean are exposed to frigid temperatures and total darkness but it does not begin at the low-tide mark.