1. Diffusion is the movement of across a membrane. 2. Osmosis is the diffusion of across a membrane. 3. Define selectively permeable: 4. Explain the following terms in your own words: a) concentration gradient – b) equilibrium –

What food can provide the body with a quick source of the energy needed to carry out cell functions (a) whole grain bread (b) ground hamburger (c) vegetable oil (d) whole milk

Christie's doctor recommends that she eat 40 grams of protein a day. she's already consumed 50% of her protein recommendation for the day. how many servings of the given snack should christie have to meet her daily protein recommendation?

What did hunter gathers do to alter the environment?