How much daily physical activity do experts recommend for someone who is trying to maintain weight loss? 15 or more minutes 30 or more minutes 45 or more minutes 60 or more minutes?

True or false: (a) the strings of little red dots represent carbohydrates. (b) the model is called a bilayer because there are two main types of molecules present, lipids and proteins. (c) the many black lines represent amino acid tails. (d) this model shows membrane transport. (e) the blue ovals are hydrophobic. (f) the blue ovals represent phospholipid heads.