Lipid Bilayer.A plasma membrane is made up of Lipid Bilayers, which consists of polar phosphate heads, which are hydrophilic or water loving, and non-polar fatty acid tails, which are hydrophobic. Proteins are embedded in the membrane as well.Cell membranes are known to have holes, or selective permeable.
B. plastic , the recycling of plastic would conserve fossil fuels
Answer: D
Explanation: Because new dog breeds are made when people mix two different breeds together to make another breed
Answer:
B. Bacteria are introduced to break down hydrocarbons in an oil spill.
