Why is the genetic code common to all organisms?

A scientific hypothesis has two important qualities. The first is testable. What is the second?

What genetic process is occurring in a puff of a polytene chromosome? how do we know this experimentally?

What type of epithelial tissue, found in the intestines, absorbs nutrients? what type of epithelial tissue, found in the intestines, absorbs nutrients?

In the large intestine material is stored how many hours prior to elimination?

What is the function of a leaf's stomata?

Which of the following best explains the importantance of studying the ocean carbon cycle A) The ocean have a significant impact on the levels of atmospheric gases B) It is a new field of ocean science C) The ocean releases one quarter of the carbon

Which statement about electrons and atomic orbitals is NOT true? An atom's lowest energy level has only one orbital. An electron cloud represents all the orbitals in an atom. An electron has the same amount of energy in all orbitals.

What two body systems play a role in the flexion of an elbow joint

How does mutation contribute to variety in a species

True or False? Convection currents produce the heat in the Earth's interior.