A same meaning or not problem:
The presence of isolobal analog fragments does not mean that the synthezied structures can be desired .
The presence of isolobal - analog fragments does not mean that the desired structures can be synthesized .
****
[A]: no

A same meaning or not problem:
The collection of mushrooms is not absolutely prohibited , but it is only tolerated near the approved hiking trails .
The gathering of mushrooms is not only tolerated , but it is absolutely prohibited near the approved trails .
****
[A]: no

A same meaning or not problem:
St John married Elizabeth Crowley ( daughter of Ambrose Crowley ) of Greenwich on March 6 , 1725 . Their children were :
St John married Ambrose Crowley ( the daughter of Elizabeth Crowley ) of Greenwich on 6 March 1725 . Their children included :
****
[A]: no

A same meaning or not problem:
A molecular vibration occurs when atoms are in a molecule in constant translation and rotation motion , while the molecule as a whole has periodic motion .
A molecular vibration occurs when atoms in a molecule are in constant translational and rotational motion while the molecule as a whole has periodic motion .
****
[A]:
yes