The Sun (an abiotic factor) provides energy for producers ( a biotic factor) which use light energy to undergo the process of photosynthesis. When other consumers eat the producers they are receiving energy as well.
The distance around a person body. the science that studying living organisms
B - They have repeating steps
Nucleotides are the building blocks of nucleic acids. In DNA, there are four types of nucleotides each containing one of four nitrogenous bases: guanine (G), cytosine (C), adenine (A), thymine (T).
- The monomer exhibited in the figure is a NUCLEOTIDE, i.e., a purine (Adenine) nucleotide.
- A nucleotide is a molecule composed of a nitrogenous base, a pentose sugar (deoxyribose in DNA) and a phosphate group.
- Purine bases consist of a double‐ring structure having four nitrogen (N) atoms and five carbons (C) atoms.
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