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Functions of plant cell organelles
Cell membrane: Controls the movements of substances in and out of the cell
Cytoplasm: thick substance where chemical reactions occur.<...

Mettalic bonding involves a giant lattice of ions surrounded by a sea of electrons. A lot of energy is needed to overcome the strong bonds between these positive ions and negative electrons.

-DNA (Deoxyribose nucleic acid) is a structure made up of a sugar-phosphate backbones linked to one of four chemical bases (adenine, thymine, guanine or cytosine) DNA has a double helix structure that coi...

When analysing a text, there are multiple areas we can look at. It is a good idea to look at them individually first, and then see how they link in the text as a whole once we have established good knowle...

There are two stages to this problem: substituting x into the original equation and then expanding out the answer and simplify it. So, with the first stage, we replace every old 'x' with the new form in t...