lillianneal
16.03.2020 •
Biology
The letter A indicates: . 1. Globules containing eight subunits each. 2. A filamentary structure forms two turns around each globule. 3. Letter A marks the filamentary structure between the globules. 4. Letter B marks one of the globules. 5. Letter C marks one subunit of the globule.
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Ответ:
Explanation:
Deoxyribonucleic acid is made up of two chains. A double helical structure is formed when two chains coil around each other.This double helical structure carry genetic information for the growth, reproduction, development and functioning of an organism.The nucleic acid such as DNA and RNA are one of the major types of macromolecules which are necessary for all life forms.The nucleotide is made up of one of four nitrogen containing nucleobases such as Adenine, Guanine, Cytosine and Thymine, Deoxyribose sugar and a Phosphate group.Ответ:
Answer is A. Red due to ionized hydrogen atoms.
Explanation:
Note that nebula color depends on its chemical composition and its degree of ionization. Because of the prevalence of hydrogen and relative low of ionization energy, its emission appears red.