You can distinguish a prokaryote apart from a nucleus by-- The presence of a cell membrane
The presence of DNA
presence of a nuclear membrane

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

Which of the following was a characteristic of a dromaeosaur? modified front claw grasping with their forelimbs both a and b none of the above

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water