32. Lipids

Which of the following lipids is classified as a steroid?

Which of the following is a similarity between peptide and steroid hormones?

Which statement about steroid hormones is true?

Steroid hormones are derived from which molecule?

Which of the following is a function of steroids in the human body?

Which of the following is not a steroid hormone?

Which of the following is not a steroid-based hormone?

In what way are steroids similar to other lipids in terms of their structure?

Which class of lipids is characterized by having $4$ fused carbon rings?

Which of the following is true for steroid hormones?

Which of the following is true about steroid hormones?

How do steroid hormones differ from polypeptide hormones and most amino-acid-derived hormones in terms of their mechanism of action?

Drostanolone propionate is a synthetic androgen that has been used to treat breast cancer. Number the carbon atoms with groups in red.

Which one of the structures given below fulfills the given criteria?

1) Ketone at C3.

2) Double bond between C4 and C5.

3) An –OH group at C17 in β configuration.

4) A –CH₃ group at C17 in α configuration.

Draw the structure of metenolone from the information given below:

1) A –CH₃ group at C1.

2) A double bond between C1 and C2.

3) A ketone at C3.

4) An acetate group at C17 in β configuration.