When climbing a high mountain you get out of breath easily because ...

A) the percentage of nitrogen in the air falls

B) the air is more dense

C) there is less oxygen in each cubic meter of air

D) the air pressure is greater

Organisms that can move on their own (motile) and must consume other organisms for energy are classified as

Strands of genetic material floating in the nucleus are referred to as

The term osmolarity has been used to describe the total solute concentration of a solution (generally water), where 1 osmole (Osm) is equal to 1 mol of an ideal, nonionizing molecule. What is the osmolarity of a 1.5 M solution of glucose

What is the importance of the large surface area of the cerebral cortex?

Typically, roofs on houses in the tropics are white. What advantage does this provide to the inhabitants? A) It would absorb most of the incoming visible light, thus keeping the inside of the house cooler.

Why does the lipid bilayer self assemble?

3. In pea plants, inflated pods are dominant to constricted pods. Show the cross between a true-breeding inflated pod plant with a true-breeding constricted pod plant.

How might a scientist a determine whether trait sex-linked by observing the offspring of several genetic crosses

An individual who has an eating disorder along with intense thirst and wildly varying body temperatures may have a dysfunction of the medulla. hypothalamus. thalamus. pons. brainstem.

What consists of loose connective tissue that binds the tunica mucosa to the next layer