The cell membrane is a biological membrane that surrounds (protects) a cell and separates the contents of the cell from its surrounding environment. The chemical structure that makes up the cell membrane include; phospholipids (lipid molecules that contains a phosphate group head and two fatty acid tails), glycolipids (lipids with carbohydrate), proteins and cholesterol. The phospholipids forms a double layered membrane around the cell.
Answer:
The city can build more convenient public transportation like trains and buses to transport people around in large numbers, reducing the amount of cars.
Likewise, the city can also find alternative options of energy sources to more renewable ones, like investing in a hydroplant and solar panels.
The city can also put up conveniently located bicycle stops with bicycles up for rent at an affordable cost, that will encourage more people to take other modes of transportation, while exercising as well.
Lastly, the city can also put up car taxes, to further reduce the numbers of cars on the road as not many people will be willing to pay the car taxes.
Answer:
a. Oligosaccharides and polysaccharides are classified as simple carbohydrates.
b. Carbohydrates contain carbon, hydrogen, and nitrogen.
c. Sucrose is composed of one glucose molecule and one maltose molecule.
d. Lactose is a five-carbon monosaccharide found in ribonucleic acid (RNA).
e. Glucose, fructose, and galactose each contain 6 carbon atoms, 12 hydrogen atoms, and 6 oxygen atoms.
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Explanation:
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Answer:
The mass number is the sum of protons and neutrons. This means to find the number of neutrons you subtract the number of protons from the mass number. On the periodic table, the atomic number is the number of protons, and the atomic mass is the mass number.
