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Both have a nucleus

Both have cytoplasm

Both have a cell membrane

Both contain mitochondria

Both con...

DNA is the molecule within cells that contains genetic information, in the form of a sequence of bases that form a code that makes up a protein. DNA is a polymer, meaning that it is a macromolecule (la...

The first step of urine formation is ultrafiltration. Blood passes through a network of capillaries in the kidney called the glomerulus. It is filtered into the Bowman’s capsule (the f...

An enzyme is a protein catalyst. 

A catalyst is a substance which alters the rate of a chemical reaction. (So it can speed up a chemical reaction). 

The key...

The walker's body will do three things to help slow the decrease in core body temperature. The first is the walker will begin to shiver. Shivering is the spasming of muscles, the muscles as they work g...