Which kind of molecule gives a cell membrane it’s fluidity? 1. carbohydrates 2. phospholipids 3. proteins 4. nucleic acids

Because of its structure the cell membrane is known as a phospholipid ? a.bilayer b.molecule c.fluid d.barrier

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

What is a limitation of using a chemical formula, such as c6h1206, to represent a compound? the chemical formula does not show the types of elements that make up the compound. the chemical formula does not show how the atoms are connected to one another the chemical formula does not show the number of atoms of each element in a molecule. the chemical formula does not show the chemical symbols of the elements in the compound