Concept explainers
(a)
Interpretation: From the given figures of comparison, the two functional groups that react to form a
Concept Introduction:
DNA:
DNA is a self-replicating genetic material that is present in all living organisms. It carries genetic information from one generation to the several successive generations. Basically it is a biopolymer of nucleotides which are monomeric units and each monomeric unit has three major components such as a deoxyribose sugar unit, a phosphate group and a nitrogen-containing base.
(b)
Interpretation:
The sugar unit that is given in the figure of question 8 is a ribose sugar rather than a deoxyribose sugar. A polymer that is formed from this
Concept Introduction:
RNA:
RNA is a polymeric molecule. It is an essential molecule that plays a major biological role in coding, decoding, regulation and expression of genes. Basically it is a biopolymer of nucleotides which are monomeric units and each monomeric unit has three major components such as a ribose sugar unit, a phosphate group and a nitrogen-containing base.
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Chemistry In Context
- You are working in a biotechnology lab and are analyzing DNA. You obtain a sample of a short dodecamer of DNA that contains 12 base pairs. What must the ratio of adenine to thymine be in your sample?arrow_forwardPlease help me with these questions 1) The covalent linkage between nucleotides is called a phosphodiester bond. Sketch this linkage 2) what is the predominant functional groups in a polysaccharides? 3) What types of covalent linkage connects the monomers (polysaccharides) 4) sketch the two amino acids from the image below. Then contrast the polarity of the side chaknsarrow_forward(i) Name four bases present in DNA.(ii) Which of them is not present in RNA.(iii) Give the structure of a nucleotide of DNA.arrow_forward
- Please help answer the question on natural polymers proteins 1) sketch the two amino acids. Contrast the polarity of the side chains Dna 1) what are the predominant groups in dna 2) the covalent linkage between nucleotides is called a phosphodiester bond. Sketch the linkagearrow_forwardCompare cellulose and starch and explain why humans cannot digest cellulose.arrow_forwardA 5-carbon sugar (ribose or deoxyribose) forms the central molecule in a nucleotide. By convention, the carbon atoms in the sugar are numbered from the original carbonyl position on the chain using a number plus the prime symbol (‘). For example, a nitrogenous base is attached to the 1’ (pronounced “one prime”) carbon position, which was originally the sugar’s carbonyl group. A phosphate group is attached to the 5’ carbon position, the carbon atom that is outside the sugar ring.Refer to the structure of a nucleotide and select the statement which is incorrect:arrow_forward
- Cabohydrats Explain how we can separate sugar and starch. Someone spilled some iodine solution on a sheet and there were black spots, what does that say? What will happen if we take a drop of iodine solution on a piece of potato? What exactly is glucose and how is it made? How are the other carbohydrates made?arrow_forwardWhy are the sequences of the bases in a DNA molecule important for protein synthesis?arrow_forwardWhat is the monomer that forms the basis of the cellulose polymer?arrow_forward
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