Figure 2 is an enlarged picture of structure "X from above.
4. The structure labeled 1 is a
Figure 2
5. The structure labeled 2 is a
6. The structure labeled 3 is a
7. Which of these structures. 1, 2, or 3, generates the genetic code?
generates the genetic code?

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.

true is the

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.