This condensation reaction is similar to that in which a peptide bond is formed between two amino acids (Chapter 3). Thus a single nucleic acid strand is a phosphate-pentose polymer (a polyester) with purine and pyrimidine bases as side groups. The links between the nucleotides are called phosphodiester bonds
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The changes in the population of a species in a stable ecosystem has diverse effects on the ecosystem on the whole.
The reduction in the baleen whale population will cause a rapid increase on the prey organisms on which the baleen whale fed. This is because the number of predators for these preys will decrease.
On the other hand, the number of organisms which fed on the baleen whale will decrease as they will have lesser amounts of food available.
Answer:A vascular bundle is a part of the transport system in vascular plants. The transport itself happens in vascular tissue, which exists in two forms: xylem and phloem. Both these tissues are present in a vascular bundle, which in addition will include supporting and protective tissues.
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