Unlike in prokaryotic cells, replication in eukaryotic cells
a. is continuous in two directions until the whole chromosome is copied.
b. involves much less dna.
c. can start in many different places on a sequence at the same time.
d. starts from a single point.

Mutations associated with albinism affect proteins involved in synthesis

Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food

Why is earth's outer core hotter than earth’s oceanic crust? earth’s oceanic crust is denser than earth’s outer core is. earth’s oceanic crust has lava flowing from the mantle. earth’s outer core has a composition of solid iron and nickel. earth’s outer core is deeper within earth than oceanic crust is.