Answer:
That is a nucleotide which is the monomer of a nucleic acid
Explanation:
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Answer:
Avery expanded on Griffith's observations by demonstrating that it is the DNA, and not the proteins, that is responsible for the genetic information.
Explanation:
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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.'
