Which of the following Illustrations shows the mitochondrion’s structural details?

The illustration marked as 'c' accurately depicts the structural details of a mitochondrion, including the cristae and matrix.
Which of the following is an example of prokaryotic cells?
Select the most appropriate synonym of the underlined word.
The removal of ‘petty’ restrictions has made life easier.
Select the most appropriate option that can substitute the underlined word in the given sentence.
The experienced surgeon handled the delicate procedure with care and precision.
Select the most appropriate ANTONYM of the underlined word in the following sentence.
I have left it to his discretion to accept or decline my offer.
Why does the Rough Endoplasmic Reticulum look "rough" under a microscope?