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.'
Most of the light passes through glass but none of the light passes through metal.
Answers to the question please?
Answer:The populations of plants and animals will increase
Explanation: Since there will be no more fires there will be more room for plants to grow and more shelter for animals to live in.
The correct Answer is D. a decrease in the cost to farmerd who rely on momocultures