div class=trans-pagebuttonPage 1button div class=trans-image a href=https:reader043fdocumentsusreader043viewer20220225185b0b2a747f8b9a45518d8ce3html5page1jpg target=_blank amp-img class=trans-thumb alt=Page 1: 41 42-pp254-270pdf - Edl · The following year Linus Pauling discovered that a certain group of proteins were shaped in a spiral or helix 256 UNIT: 41 DNA is a Double src=https:reader043fdocumentsusreader043viewer20220225185b0b2a747f8b9a45518d8ce3html5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=trans-pagebuttonPage 2button div class=trans-image a href=https:reader043fdocumentsusreader043viewer20220225185b0b2a747f8b9a45518d8ce3html5page2jpg target=_blank amp-img class=trans-thumb alt=Page 2: 41 42-pp254-270pdf - Edl · The following year Linus Pauling discovered that a certain group of proteins were shaped in a spiral or helix 256 UNIT: 41 DNA is a Double src=https:reader043fdocumentsusreader043viewer20220225185b0b2a747f8b9a45518d8ce3html5thumbnails2jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=trans-pagebuttonPage 3button div class=trans-image a href=https:reader043fdocumentsusreader043viewer20220225185b0b2a747f8b9a45518d8ce3html5page3jpg target=_blank amp-img class=trans-thumb alt=Page 3: 41 42-pp254-270pdf - Edl · The following year Linus Pauling discovered that a certain group of proteins were shaped in a spiral or helix 256 UNIT: 41 DNA is a Double src=https:reader043fdocumentsusreader043viewer20220225185b0b2a747f8b9a45518d8ce3html5thumbnails3jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=trans-pagebuttonPage 4button div class=trans-image a href=https:reader043fdocumentsusreader043viewer20220225185b0b2a747f8b9a45518d8ce3html5page4jpg target=_blank amp-img class=trans-thumb alt=Page 4: 41 42-pp254-270pdf - Edl · The following year Linus Pauling discovered that a certain group of proteins were shaped in a spiral or helix 256 UNIT: 41 DNA is a Double...