Answer:
Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ). Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.
Answer:
A praise for lysosomes is that they are responsible for participating in the action of the lysosmic enzymes that they contain within, these enzymes before the destruction of phagocytosed microorganisms by the antigen presenting cells.
Explanation:
In other words, they are a perfect machinery to trigger an ideal immunological response to a specific pathogen, since thanks to them they are destroyed inside macrophages, so that they present a characteristic molecule to the lymphoid chain, that is, to the cell chain with immunological memory.
This is because they train extremely hard in order to sustain stamina and endurance so, their bodies don't get the chance to build muscle because they burn more than they consume.
Answer;
-Elements, that are metallic (metals)
Experiment;
Metallic minerals contain metal in raw form.Metallic minerals occur in rare, naturally formed concentrations known as mineral deposits.These minerals contain metallic bonds.
Metallic bonding result from atomic nuclei and inner filed electron shells in a sea of electrons made up of unbound valence electrons or not equally shared
Metallic bonding yield minerals that are soft, ductile / malleable, highly conductive due to easily mobile electrons - metals, also non-directional bonding produces high crystal symmetry
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