Food is able to move down your esophagus by a wave of relaxing and contracting. This is called?

Where are the most of the atp molecules produced in aerobic respiration?

Which of the following statements about DNA and RNA is incorrect? A) RNA contains the pentose sugar ribose while DNA contains deoxyribose. B) They both contain nitrogenous bases C) Both contain long chains of amino acids.

How does HIV go undetected for years in the cell of its host?

What is the function of the mitotic spindle and spindle fibers during mitosis?

What is meant by the phrase "plants are green factories"?

Why would a person, even one that is not interested in "buffing" up want to maintain good muscle tone?

What type of organism moves using cilia

The punnet square shows the results when two parent cows are crossed. R represents red hair and represents white hair. Which best describes this inheritance pattern?

Which plant division has seeds with a 3n endosperm due to double fertilization?

What is a difference between systemic and pulmonary circulation? A. Systemic circulation carries deoxygenated blood to the lungs and pulmonary circulation carries oxygenated blood to the body. B.