1. Where is the CFTR protein found?

in heart cells

in cells lining the lungs

in every cell in the body

in muscle cells

in skeletal cells

As altitude increases how does air pressure change how does density change?

Mount St. Helens is a volcano that erupted with great force in 1980. Which phrases best describe this eruption? Check all that apply. quiet eruption gentle lava flows magma low in silica high-viscosity magma lava broken into fragments

Clumped distribution is often an indicator that individuals in a population

What is the definition of soil according to a soil scientist?

How many cells does the most common organisms on earth have

What do a door and a venus flytrap leaf have in common

Where would be the best place to find an alpine glacier A) Antarctica B) Greenland C) the Himalayas D) the North Pole

The Sun is A. a very small star. B. a medium-sized star. C. the largest star in the universe. D. the same size as all the other stars.

6. The blood component that has the greatest affinity for oxygen is the a) Lymphocyte" (b) Leucocytes (c) Erythrocytes (d) Thrombocyte

According to the endosymbiosis theory scientist believe early eukaryotes form from prokaryotes why do scientist believe that prokaryotes existed earlier eukaryotes