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TLS Online TPP Program

#Id: 9187

Positive Selection: The Spread of Beneficial Mutations

#Section 3: Genetics, Cellular and Molecular Biology #Natural selection #Part B Pointers
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TLS Online TPP Program

#Id: 7733

#Section 2: General Biology

Atoms are made of the same three basic particles: protons, neutrons, and electrons.
TLS Online TPP Program

#Id: 7732

#Section 2: General Biology

Atoms are indivisible particles that can't be created or destroyed in a chemical reaction.
TLS Online TPP Program

#Id: 3781

#Section 2: General Biology

The multi-atom combinations are called molecules. A molecule is the smallest part of a substance that has the physical and chemical properties of that substance.
TLS Online TPP Program

#Id: 3778

#Section 2: General Biology

the atomic radii of chemical elements are a complicated task as the size of an atom is of the order of 1.2×10-10m.
TLS Online TPP Program

#Id: 3777

#Section 2: General Biology

The diameter of the nucleus is in the range of 1.75 fm (1.75 × 10−15m) for hydrogen.
TLS Online TPP Program

#Id: 3776

#Section 2: General Biology

Elements are made of atoms. While the atoms may have different weights and organization, they are all built in the same way.