A characteristic of most mollusks is

a. an endoskeleton.

b. a two-part body plan.

c. the absence of a body cavity.

d. bilateral symmetry.

In a population of rabbits, the frequency of q is 0.37. What is the frequency of p?

When the ph of the blood becomes more acidic, the respiratory center?

The division of a bacterial cell into two daughter cells (called binary fission) is accomplished by a protein called FtsZ. FtsZ is very similar to the tubulin subunits that form microtubules in eukaryotes.

What is the term for the formation of new species from geographically isolated populations?

Enzymes are made of protein and a non protein therefore they can not be denatured? True or false?

Which of the following best describes a process of erosion? A. Rocks along the coast are broken up by waves crashing into the shore. B. The wind lays down sediment to form small hills called dunes. C.

The cell organelle that produces most of the cell's energy to fuel the cell is the a. nucleus. b. nucleolus. c. mitochondria. d. centrosome.

13 Select the correct answer. Steve lives in a country which claims to have been the first to adopt Christianity as a state religion. In which country does Steve live? OA. Georgia OB. Armenia OC. Ukraine OD. Belarus Reset Next

A purebred chicken with white feathers is crossed with a purebred chicken that has black feathers. each of their offspring has both black and white feathers. why does this happen?

What kind of tissue transmits signal across a synapse? epithelial, muscular, nervous or connetive?