but there is not obligation to apply 'disproportionate' ones," the charter said.

How would the previous sentence be correctly capitalized?
Answer: But there is not obligation to apply 'disproportionate' ones," the Charter said.
before you can open a sas7butl file, you'll need to figure out what kind of file the sas7butl file extension refers to.

How would the previous sentence be correctly capitalized?
Answer: Before you can open a SAS7BUTL file, you'll need to figure out what kind of file the SAS7BUTL file extension refers to.
once cells are non-adherent, add 3 mlof rpmi with 10% fbs to inactivate the trypsin collect and centrifuge cells at 300 x g for 3 min.

How would the previous sentence be correctly capitalized?
Answer: Once cells are non-adherent, add 3 mlof RPMI with 10% FBS to inactivate the trypsin Collect and centrifuge cells at 300 x g for 3 min.
these user pages have been visited 11381 times since 4/5/2011.

How would the previous sentence be correctly capitalized?
Answer: These user pages have been visited 11381 times since 4/5/2011.