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Стр. 805
These may be explained as mutations affecting the structure of the enzyme molecules or mutations that , instead , influence the activities of structurally normal polypeptides . Separate structural mutations for each enzyme would require ...
These may be explained as mutations affecting the structure of the enzyme molecules or mutations that , instead , influence the activities of structurally normal polypeptides . Separate structural mutations for each enzyme would require ...
Стр. 1049
The fractured column and a larger fractured area in Fig . 2 reveal a conchoidal appearance . This structure is similar to some areas of freshly broken optical - grade calcite and is the same as that shown by Currey and Nichols ( 6 ) .
The fractured column and a larger fractured area in Fig . 2 reveal a conchoidal appearance . This structure is similar to some areas of freshly broken optical - grade calcite and is the same as that shown by Currey and Nichols ( 6 ) .
Стр. 1192
A complex , magnesium - containing , porphyrin structure ( chlorophyllide ) constitutes the portion of the chlorophyll molecule that absorbs visible light . Chlorophyllide is a hydrophilic structure . The lipophilic portion of the ...
A complex , magnesium - containing , porphyrin structure ( chlorophyllide ) constitutes the portion of the chlorophyll molecule that absorbs visible light . Chlorophyllide is a hydrophilic structure . The lipophilic portion of the ...
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acid activity addition American amount animals appears associated blood caused cells Center changes chemical communication complete concentration containing continuous cultures Department determined direct discussion effect energy enzyme experiments field findings fraction given growth human Illus important increase indicated Institute interest International laboratory less light major material means measured mechanism ment minutes nature normal Notes observed obtained occur operation organic percent period physical polarization position possible prepared present Press problems production protein range reaction recent References region relative reported response samples Science scientific scientists shown signal similar specific structure suggested surface Table tion tissue United University volume write York