What do plant, animal and bacteria cells have in common? DNA, chloroplasts and cytoplasm
cell walls, cytoplasm and endoplasmic reticulum
cell membranes, DNA and lysosomes
DNA, cytoplasm and cell membranes

In a cladogram' when does a group of organisms branch off

Which statement is a physical property? becomes moldy quicklyeasy to digestconducts electricity poorlydoes not burn

1. an enzyme is considered a(n) because it speeds up a chemical reaction without being used up.2. in a catalyzed reaction, a reactant is often called a(n) . an enzyme is specific because the shape of its matches only particular reactants.4. an enzyme speeds up reactions by lowering the . the between an active site and its substrate often strains bonds and the reaction proceed.6. a( , which is often a vitamin, binds to an enzyme and plays a role in catalysis.7. high temperatures or changes in ph can an enzyme, causing it to lose its shape and biological activity.