Which discovery supported the endosymbiosis theory?

a. DNA in mitochondria

b. DNA in the cell nucleus

c. DNA in ribosomes

d. DNA in the cytoplasm

In what way are elements in the same column of the periodic table the same? A) They have the same number of protons. B) They have the same number of neutrons. C) They have the same number of electrons.

The diffusion of water into or out of a cell is called a selective transport. b solubility. c osmosis. d endocytosis.

In hot weather, the testes are protected from the heat by relaxation of the dartos muscle. relaxation of the dartos muscle, contraction of the cremaster muscle, and movement to the outside of the pelvic cavity are all correct.

Which epidermal layer is structured to resist abrasion, penetration, and water loss?

Which statement describes the movement of crust in a normal fault? Movement occurs equally in vertical and horizontal directions. Movement is mostly in a vertical direction. Movement results in the shortening of crust.

Name three characteristics of gas giants that make them different from terrestrial planets.

How are proteins transported to their correct location in the cell?

Name the part of the brain labeled e

What might be a consequence of unlimited human population growth? A. There will be no undeveloped countries economically. B. Humans will not use enough of the earth's resources. C.

How would the deletion of the shine-dalgarno sequence affect a bacterial mrna?