True
Explanation:
The DNA is the structure in living organisms that encodes genetic information.
DNA = DeoxyriboNucleic Acid.
- The DNA is made up of a double helix structure of two strands.
- It is made up of a phosphate group,deoxyribose sugar and four nitrogenous bases.
- The DNA is contained in the nucleus of every cell.
- Crick and Watson suggested the molecular structure of the DNA to be a double helix shape.
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There are types of nuclear reaction: nuclear fusion and nuclear fission. The difference is that fusion is a combination of two elements while fission is the breaking up of the subatomic particles of an element creating a new element. The limiting element to this is Iron. Iron-26 is the most stable element. As a result, elements lighter than Fe-26 are generally fusible. This includes hydrogen and helium.
This reaction is common in the stars, most especially the Sun. The energy of the Sun comes from its abundant hydrogen composition which becomes fusible into Helium. This occurs at a temperature of 14 million Kelvin. The nuclear reaction is a not a one-way step process as shown in the picture.
Elements that have six electrons in the highest-energy p sublevel in their ground state are called the noble gases or inert gases. The six noble gases that occur naturally are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn).
Answer:
Explanation:
The coordination or coordinate bond, also known as a dative covalent bond or bipolar bond, is a covalent bond in which a pair of electrons shared by two atoms is contributed by only one of them. The atom that gives the pair of electrons is called the giver and the recipient, receiver.