Moderate

The RNA found in Ribosomes is:

Correct answer: B. rRNA

  • A. mRNA
  • B. rRNA
  • C. tRNA
  • D. Polysome

Explanation

Option A is messenger RNA, the transcript of a segment of DNA that serves as the code which is then translated by the ribosomes.Option B is ribosomal RNA which makes up ribosomes themselves.Option C is transfer RNA, which carries amino acids from the cytoplasm to the ribosomes to add on to the growing polypeptide chain during translation.Option D describes a chain of multiple ribosomes together which enhances the efficiency of protein synthesis.Option E is a segment of DNA which codes for a specific polypeptide.

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Chromosomes are DNA-protein structures that carry genes and become visible during cell division. Coverage includes chromatin, centromeres, sister chromatids, homologous chromosomes, chromosome number, and the distinction between diploid and haploid cells, with links to DNA replication, mitosis and meiosis.

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