Which of the following do all cells in a multicellular organism have in common?

A. They all express the same genes
B. They all have the same proteins
C. They all have the same mRNA
D. They all have the same DNA

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

Explain how organisms could be harmed by high levels of salt from roadways?

What kind of bond is created by the attraction between atomic particles of opposite charge? ionic bond hydrogen bond covalent bond nuclear bond