Which of the following carbons represents the stereogenic center between the given isomers?

Which of the following carbons represents the stereogenic center between the given isomers?

Shown above is the chemical structure for penicillin, a common prescription drug. How many chiral carbons does penicillin have?

Shown above is the chemical structure for penicillin, a common prescription drug. How many chiral carbons does penicillin have?

The molecules shown below are best described as __________.

The molecules shown below are best described as __________.

Which of the following is not a geometric isomer of pentene?

Which of the following is not a geometric isomer of pentene?

Compounds that are mirror images of each other are called __________.

Compounds that are mirror images of each other are called __________.