Answer:
True
Explanation:
Water molecules can move across a membrane due to size of the molecule. Water molecules are small in size thus can diffuse easily. Big size molecules cannot move across the membrane because the membrane is selectively permeable with tiny pores that allow free passage of gases and water.
Answer:
a. fats, oils, meats, and nuts.
Explanation:
Lipids are macromolecules that are insoluble in polar solvents like water, but soluble in non-polar solvents like diethyl ether. They made up of hydrocarbon and serve as a functional molecule in living cell membranes. In addition, they are involved in cell signaling and serve as energy stores. Lipids could be in the form of steroids, fats and oils, waxes and phospholipids.
In diets, oils, fats, nuts, meats whole milk, margarine, butter, cheese, fried foods supply lipids in large quantities. They serve as energy stores and also help in the absorption of fat-soluble vitamins in the small intestine.
Answer:
Otters
Explanation:
Cellular respiration is the process of the cells inside the body breaking up the sugars and then the mitochodria turns it into energy for the cells. ... Inside the otter diffusion happens throughout the lungs.