Chapter 1: Problem 31

Ribosomes are composed of and (a) Lipids, proteins (b) RNA, proteins (c) DNA, proteins (d) Proteins only

Short Answer

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Answer: (b) RNA, proteins

Step by step solution

Understand the function of Ribosomes

Ribosomes are cellular structures responsible for protein synthesis. They are found in both prokaryotic and eukaryotic cells. They read the genetic information from mRNA (messenger RNA) and then assemble amino acids into proteins following the instructions provided by the mRNA.

Review the constituents of ribosomes

Ribosomes are made up of two subunits – a large subunit and a small subunit. They contain two primary components: ribonucleic acids (RNA) and proteins. The RNA used in ribosomes is known as ribosomal RNA (rRNA), and it is responsible for composing the majority of both subunits, while proteins make up the rest.

Match the constituents with the given options

As we now know that ribosomes are composed of RNA (specifically rRNA) and proteins, we can compare it with the given options:\\ (a) Lipids, proteins\\ (b) RNA, proteins\\ (c) DNA, proteins\\ (d) Proteins only\\ The correct match is (b) RNA, proteins – which indicates the principal components of ribosomes. So, the correct answer is: (b) RNA, proteins

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Ribosomes are composed of and (a) Lipids, proteins (b) RNA, proteins (c) DNA, proteins (d) Proteins only

Short Answer

Step by step solution

Understand the function of Ribosomes

Review the constituents of ribosomes

Match the constituents with the given options

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