What are chromosomes?

A. The alleles that cause certain traits

B. Any organism that contains DNA

C. Strands of DNA wrapped around proteins

D. A form of virus that infects cells

Which mountain range was formed at a divergent boundary? A-the Mid-Atlantic Ridge B-the Andes Mountains in South America C-the Ural Mountains in Russia D-the Aleutian Islands in Alaska

A cartilaginous structure between the "throat" and the trachea. a. The larynx b. The nose c. The pharynx

In alternation of generations, what is the diploid stage of a plant that follows fertilization called? hints

What are the limitations of electric impulse mechanism?

To which functional class of proteins does lysozyme belong?

When does a wheel and axle have a mechanical advantage greater than one?

What do cells need to do between divisions to make sure that a full set of dna gets passed on to each daughter cell?

True or false: The central nervous system allows us to sense the environment

Which of the following statements is false regarding root hairs? a. they are outgrowths of endodermal cells c. they increase the surface area of the root b. they are outgrowths of epidermal cells d. they absorb water and nutrients

Why is it critical to divide the chromosome number in half?