Answer:
The pressure waves strike the tympanum, causing it to vibrate. The mechanical energy from the moving tympanum transmits the vibrations to the three bones of the middle ear. The stapes transmits the vibrations to a thin diaphragm called the oval window, which is the outermost structure of the inner ear.
Explanation:
It is also called the Ellipsoidal Joint
Answer:
A) bind to receptors in the nucleus of their target cells.
Explanation:
Steroid hormones are synthesized from cholesterol and are lipids, therefore they cannot be transported in the blood dissolved in the plasma. They are associated with transport proteins to travel in blood.
Because they are lipids, they can diffuse through cell membranes, and once inside the target cell they bind to receptors in the cytoplasm or the nucleus and alter gene expression.
The Food and Nutrition Board recommends that Americans consume 45% to 65% of their total calories from carbohydrates.
<h3>
What are Carbohydrates ?</h3>
Carbohydrates are one of the macro nutrient found in foods that when consumed provide the body with energy acting as the body's main fuel source
There are three main types of carbohydrates:
- Sugar : which can be gotten from milk and milk sugar(lactose). fruit sugar (fructose), table sugar (sucrose)
- Starch. Which can be derived from vegetables, grains, and cooked dry beans and peas.
- Fiber. From fruits, vegetables, whole grains, and cooked dry beans and peas.
According to the Dietary Guidelines for Americans from The Food and Nutrition Board It is recommended that they consume 45 to 65 percent of their total daily calories from Carbohydrates.
Learn more here on recommended calories for carbohydrates here:brainly.com/question/4434064
It has encouraged both forgeries and the shadow market in antiquities.