The portion of the tooth that is used for mastication and is visible in the oral cavity is the

a. root.

b. cervix.

c. gingiva.

d. crown.

How does the water molecules in a raindrop falling today also could have been ingested by a dinosaur millions of years ago.

What was Friedrich Mieschers contribution to the discovery of the genetic code?

What does the genome of a transformed e coli cell contain that a normal e coli cell does not contain?

Which of the following is not a characteristics of life

How does it benefit a plant to have a variety of photosynthetic pigments?

What type of intrusive igneous rock texture has the largest crystals

Between x = 2 and x = 3, which function has a larger average rate of change than f (x) = 2x has? A) g (x) = (2/3) - x B) k (x) = 5x-2 C) h (x) = 4x-1 D) j (x) = (1/2) - x+1

How can we unlock the 90% of our brain that we never use

Defining neuron, the structure of neurons, the function, and how neurons communicate with each other and the outside world.

What is a common ancestry and divergence