The contractile vacuole is responsible for maintaining the water balance in many protists, like the Euglena above. Maintaining this water balance is an example of

A. equilibrium.

B. homeostasis.

C. active transport.

D. passive transport.

Which hormone is responsible for the body's ability to react to dangerous situations?

What country owns the Prince Edward Islands? a. United States b. England c. France d. South Africa

What kind of mutation causes a shift in the way a ribosome will read the mRna

A scientist is creating different waves in laboratory. if she doubled the frequency of a wave while keeping the wave speed constant, what happens to the wavelength of the wave? a. it doubles b. it is halved c. there is no change d. it quadruples

What U. S state has a desert

Factors like lack of variation and environmental changes can cause a species to fail to survive. This is known as A. conservation. B. evolution. C. extinction. D. mutation.

What are the specialized parts of the phospholipid bilayer, and how do their structures relate to the structure of the plasma membrane?

2. Which statement about cellular respiration is correct? A The process of cellular respiration breaks sugar into simple oxygen and water B The reactants of cellular respiration are glucose and oxygen molecules C The major product of cellular

In which stage of meiosis does the separation of homologous chromosomes occur?

Where was lower egypt located