Why might polar bears become extinct

a. They do not have any predators

b. they may drown when the glaciers melt

c. their thick fur is not suited for a warming climate

d. too many hurt them

Which of the following is NOT true of phospholipid bilayers? Membrane budding requires transient breakages in the bilayer membrane. The interior of phospholipid bilayers is a highly hydrophobic environment.

Skin color in a certain species of fish is inherited by a single gene with four different alleles. How many different types of gametes would be possible in this organism?

What two organic molecules make up the cell membrane?

The primary source of any of the designers' work is:

What changes would you expect to see in the liver cells of someone suffering from chronic alcoholism? View Available Hint (s) What changes would you expect to see in the liver cells of someone suffering from chronic alcoholism?

Proteins attract water and hold it within blood vessels, preventing it from freely flowing into the spaces between the cells. this is an example of how protein is used for: a. maintaining fluid and electrolyte balance. b. building antibodies. c.

Identify the fuel that could be classified as a nonrenewable or renewable resource. A) biomass B) geothermal C) wind D) tidal

Water is essential for life. Its special properties make water the single most important molecule in plant life. Which of the following properties of water enable it to move from the roots to the leaves of plants? a:Water exhibits cohesive behavior.

Whats the process of Asexual Reproduction for Komodo Dragons?

As you add drops of water to the surface of the penny, each drop sticks to the other water droplet forming a large drop on top of the penny. This is caused by which water property? Question options: adhesion cohesion capillary action