Once a sperm has reached the oocyte-cumulus complex, hyperactivation, along with a hyaluronidase enzyme on the outside of the sperm cell membrane, enables the sperm to digest a path through the extracellular matrix of the cumulus cells

TLS Online TPP Program

#Id: 3781

#Unit 1. Molecules and their Interaction Relevant to 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: 7732

#Unit 1. Molecules and their Interaction Relevant to Biology

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

TLS Online TPP Program

#Id: 7733

#Unit 1. Molecules and their Interaction Relevant to Biology

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

TLS Online TPP Program

#Id: 7734

#Unit 1. Molecules and their Interaction Relevant to Biology

The number of electrons in a neutral atom is equal to the number of protons.

TLS Online TPP Program

#Id: 7735

#Unit 1. Molecules and their Interaction Relevant to Biology

The mass number of the atom (M) is equal to the sum of the number of protons and neutrons in the nucleus.

TLS Online TPP Program

#Id: 7736

#Unit 1. Molecules and their Interaction Relevant to Biology

The number of neutrons is equal to the difference between the mass number of the atom (M) and the atomic number (Z).