I think the answer is sperm or eggs? i'd need context
Ans.
Steroids are defined as active organic bio-molecules, having four rings with a specific molecular configuration. Steroids play role in two major functions: as hormones or signaling molecules and as structural components of plasma membrane.
Examples of steroid hormones are estrogen, progesterone, and cortisol. Thus, the correct answer is 'option b). they serve as chemical messengers.'
The answer that you are looking for is Chloroplast.
The reason why this is the answer is because the Chloroplast allows plants to make food with the help of sunlight.
I hope this helped :)
